diff --git a/Makefile b/Makefile
index 85aa5b5..45e084d 100644
--- a/Makefile
+++ b/Makefile
@@ -1,7 +1,7 @@
 .DEFAULT_GOAL := main.pdf
 
 main.pdf: main.tex jishoScrape/index.js title/titlepage.tex $(wildcard data/pages/*) $(wildcard data/tables/*)
-	for i in $$(seq 5 -1 1); do node jishoScrape/index.js n$$i; done
+	for i in $$(seq 7); do node jishoScrape/index.js grade$$i; done
 	xelatex main.tex
 
 #TODO: Make this modular, fix the index.js target.
diff --git a/jishoScrape/index.js b/jishoScrape/index.js
index c5f21e4..02e6fdd 100644
--- a/jishoScrape/index.js
+++ b/jishoScrape/index.js
@@ -1,25 +1,26 @@
 const fs = require('fs');
 
 /* Import local files */
-const {fetchKanjiFromTxt, fetchJishoBufferData, fetchKanjiFromJisho} = require('./src/dataFetching.js');
-const {getKanjiTexData} = require('./src/texConversion.js');
-const {chapterTabular} = require('./src/kanjiTables.js');
-
-function log(message, jlptLevel) {
-  const jlptLevelCaps = jlptLevel.toUpperCase();
-  console.log(`${jlptLevelCaps}: ${message}`);
-}
+const { fetchJishoResults } = require('./src/dataFetching.js');
+const { getKanjiTexData } = require('./src/texConversion.js');
+const { chapterTabular } = require('./src/kanjiTables.js');
 
 /* Encapsulate main process in async function */
-async function main(jlptLevel) {
+async function main(grade) {
 
-  const jishoResults = await fetchJishoResults(jlptLevel);
+  /* Custom log function */
+  function log(message) {
+    const gradeCaps = grade.toUpperCase();
+    console.log(`${gradeCaps}: ${message}`);
+  }
+
+  const jishoResults = await fetchJishoResults(grade, log);
   const kanjiArray = jishoResults.map(result => result.query);
 
-  log('Generating tex pages', jlptLevel);
+  log('Generating tex pages');
   const texData = getKanjiTexData(jishoResults);
 
-  log('Generating chapter table page', jlptLevel);
+  log('Generating chapter table page');
   const chapterTable = chapterTabular(kanjiArray, 16);
 
   let resultPage = '';
@@ -32,39 +33,23 @@ async function main(jlptLevel) {
       \\newpage\n`;
   }
 
-  fs.writeFile(`./data/tables/${jlptLevel}.tex`, chapterTable, (err) => {if (err) console.error(err)});
-  fs.writeFile(`./data/pages/${jlptLevel}.tex`, resultPage, (err) => {if (err) console.error(err)});
-}
-
-  /** Fetch data from buffer if available.
-  *  Else fetch data from txt and jisho requests,
-  *  and make buffer files
-  */
-async function fetchJishoResults(jlptLevel) {
-
-  const bufferFileExists = fs.existsSync(`./data/jisho/${jlptLevel}.json`);
-
-  if(bufferFileExists) {
-    log('Fetching Jisho data from buffer', jlptLevel)
-    return await fetchJishoBufferData(`./data/jisho/${jlptLevel}.json`);
-  } else {
-    log('Fetching data from Jisho and writing to buffer', jlptLevel)
-    return await fetchJishoDataAndWriteToBuffer(jlptLevel);
-  }
-}
-
-async function fetchJishoDataAndWriteToBuffer(jlptLevel) {
-  const kanjiArray = await fetchKanjiFromTxt(`./data/txt/${jlptLevel}.txt`);
-  const jishoResults = await fetchKanjiFromJisho(kanjiArray);
-  fs.writeFile(`./data/jisho/${jlptLevel}.json`, JSON.stringify(jishoResults, null, " "), (err) => {if (err) console.error(err)});
-  return jishoResults;
+  fs.writeFile(
+    `./data/tables/${grade}.tex`,
+    chapterTable,
+    (err) => { if (err) console.error(err) }
+    );
+  fs.writeFile(
+    `./data/pages/${grade}.tex`,
+    resultPage,
+    (err) => { if (err) console.error(err) }
+  );
 }
 
 /* Handle args */
 async function argWrapper() {
 
   try {
-    if (!/n\d/.test(process.argv[2])) throw 'Input not valid';
+    if (!/grade\d/.test(process.argv[2])) throw 'Input not valid';
     await main(process.argv[2]);
   } catch (error) {
     console.error(error);
diff --git a/jishoScrape/src/dataFetching.js b/jishoScrape/src/dataFetching.js
index 8c2aba2..6bf3703 100644
--- a/jishoScrape/src/dataFetching.js
+++ b/jishoScrape/src/dataFetching.js
@@ -3,56 +3,67 @@ const util = require('util');
 const jishoApi = require('unofficial-jisho-api');
 const jisho = new jishoApi();
 
-/**
- * Reads a txt file and splits the characters into an array
- * @param {string} file Path to file
- * @returns {string[]} A list of Kanji
- */
-async function fetchKanjiFromTxt(file) {
-  const read = util.promisify(fs.readFile);
-  const data = await read(file, 'utf8');
-  return data.split('');
+const txtFolder = './data/jouyou/';
+const jishoBufferFolder = './data/jisho/';
+
+/* Async version of fs.readFile */
+const readFile = util.promisify(fs.readFile);
+
+async function fetchCharactersFromTxt(file) {
+  const data = await readFile(file, 'utf8');
+  return [...data];
 }
 
-/**
- * Reads a json file and returns the data as an object
- * @param {string} file Path to file
- * @returns {object} Jisho results
- */
-async function fetchJishoBufferData(file) {
-  const read = util.promisify(fs.readFile);
-  const data = await read(file, 'utf8');
+async function fetchBufferedJishoResults(file) {
+  const data = await readFile(file, 'utf8');
   return JSON.parse(data);
 }
 
-/**
- * Makes a delayed kanji search request in order not to overload the server.
- * @param {string} kanji A character to search for
- * @param {number} delay A number of milliseconds delay to the request
- * @return {promise} A promise that's going to run a request after the specified delay
- */
-async function delayedJishoCall(kanji, delay) {
+async function makeDelayedJishoRequest(kanji, delay) {
   return new Promise((res, rej) => {
-    setTimeout(() => {
-      res(jisho.searchForKanji(kanji));
-    }, delay);
-  })
+    setTimeout(() => { res(jisho.searchForKanji(kanji)); }, delay);
+  });
 }
 
-/* Sort list of result array */
-const sortKanji = (kanjiData) => kanjiData.sort((a, b) => (a.strokeCount > b.strokeCount) ? 1 : -1);
+/* Sort array of jisho results based on stroke count */
+const sortJishoResults = (jishoResult) => jishoResult.sort((a, b) => (a.strokeCount > b.strokeCount) ? 1 : -1);
 
-/**
- * Searches for kanji with a 50ms interval between each request.
- * @param {string[]} kanjiArray A list of kanji to search for.
- * @returns {object} JSON data containing a sorted list of search responses.
- */
+/* Fetches Jisho results with a delay of 50ms between each request */
 async function fetchKanjiFromJisho(kanjiArray) {
-  const promises = kanjiArray.map(async (kanji, i) => await delayedJishoCall(kanji, i*50));
-  const data = await Promise.all(promises);
-  return sortKanji(data);
+  const delayedRequests = kanjiArray.map(async (kanji, i) => await makeDelayedJishoRequest(kanji, i*50));
+  const data = await Promise.all(delayedRequests);
+  return sortJishoResults(data);
 }
 
-exports.fetchKanjiFromTxt = fetchKanjiFromTxt;
-exports.fetchJishoBufferData = fetchJishoBufferData;
-exports.fetchKanjiFromJisho = fetchKanjiFromJisho;
\ No newline at end of file
+
+async function fetchJishoDataAndWriteToBuffer(grade) {
+  const kanjiArray = await fetchCharactersFromTxt(`${txtFolder}${grade}.txt`);
+  const jishoResults = await fetchKanjiFromJisho(kanjiArray);
+  fs.writeFile(
+    `${jishoBufferFolder}${grade}.json`,
+    JSON.stringify(jishoResults, null, " "),
+    (err) => { if (err) console.error(err) }
+  );
+  return jishoResults;
+}
+
+  /** 
+   * Handles fetching and storing the data from Jisho
+   * @param {string} grade The grade of the kanji set
+   * @param {function} log A custom log function
+   * @returns {object} Jisho results 
+  */
+async function fetchJishoResults(grade, log) {
+
+  const bufferFileExists = fs.existsSync(`${jishoBufferFolder}${grade}.json`);
+
+  if(bufferFileExists) {
+    log('Fetching Jisho data from buffer', grade)
+    return await fetchBufferedJishoResults(`${jishoBufferFolder}${grade}.json`);
+  } else {
+    log('Fetching data from Jisho and writing to buffer', grade)
+    return await fetchJishoDataAndWriteToBuffer(grade);
+  }
+}
+
+exports.fetchJishoResults = fetchJishoResults;
\ No newline at end of file
diff --git a/jishoScrape/src/kanjiTables.js b/jishoScrape/src/kanjiTables.js
index 3e0bfee..e24dc73 100644
--- a/jishoScrape/src/kanjiTables.js
+++ b/jishoScrape/src/kanjiTables.js
@@ -1,9 +1,9 @@
 
 
-function makeNumberRow(xLength) {
-  let numberRow = [...Array(xLength).keys()];
-  numberRow = numberRow.map((number) => (number + 1).toString());
-  numberRow = numberRow.map((number) => `{\\large ${number}}`);
+function makeNumberRow(rowLength) {
+  let numberRow = [...Array(rowLength).keys()]; // Array containing numbers 0 to rowLength -1
+  numberRow = numberRow.map((number) => (number + 1).toString()); // Correct numbers and convert to string
+  numberRow = numberRow.map((number) => `{\\large ${number}}`); // Encapsulate numbers in TeX code
   numberRow = [' ', ...numberRow];
   return `${numberRow.join(' & ')} \\\\\n\\hline\n\\endhead\n`;
 }
@@ -40,6 +40,7 @@ function makeRows(rowLength, columnLength, kanjiArray) {
 /**
  * Turns an array of kanji into a tabular for a chapter overview
  * @param {string[]} kanjiArray An array of kanji characters to put into the tabular
+ * @param {number} rowLength The length of each row
  * @returns {string} A tex tabular
  */
 function chapterTabular(kanjiArray, rowLength) {
diff --git a/kanjiLib.tex b/kanjiLib.tex
index 94e31b3..74e98d6 100644
--- a/kanjiLib.tex
+++ b/kanjiLib.tex
@@ -9,12 +9,12 @@
 \colorlet{meaningColor}{black}
 
 % ---------------------------------------------------------------------------- %
-%                                 JLPT Section                                 %
+%                             Chapter Introduction                             %
 % ---------------------------------------------------------------------------- %
 
 \setcounter{secnumdepth}{0}
 
-\newcommand{\jlptSection}[2]{
+\newcommand{\chapterIntroduction}[2]{
   % For some reason, I'm not able to use \uppercase in order to use
   % a single argument. In the end, I found that just using two arguments
   % was going to be easier than trying to override the way the LaTeX
@@ -48,7 +48,7 @@
 % ---------------------------------------------------------------------------- %
 
 \newcommand{\taughtIn}[1]{
-  Taught in: #1 \newline
+  #1 \newline
 }
 
 \newcommand{\jlptLevel}[1]{
diff --git a/main.synctex(busy) b/main.synctex(busy)
new file mode 100644
index 0000000..e69de29
diff --git a/main.tex b/main.tex
index ad7e6e6..a2aba98 100644
--- a/main.tex
+++ b/main.tex
@@ -54,28 +54,27 @@
 
   Kanji data is taken from \url{https://jisho.org/}
 
-  This document splits the kanjis into JLPT levels. Please note that there is no official list of kanji JLPT levels. This list is based on \href{http://www.tanos.co.uk/jlpt/skills/kanji/}{tanos.co.uk}.
-
   \break
 
-  \jlptSection{N5}{n5}
+  \chapterIntroduction{Grade 1}{grade1}
+  \input{./data/pages/grade1.tex}
 
-  \input{./data/testing/test.tex}
+  \chapterIntroduction{Grade 2}{grade2}
+  \input{./data/pages/grade2.tex}
 
-  \jlptSection{N4}{n4}
+  \chapterIntroduction{Grade 3}{grade3}
+  \input{./data/pages/grade3.tex}
 
-  % \input{./data/pages/n4.tex}
+  \chapterIntroduction{Grade 4}{grade4}
+  \input{./data/pages/grade4.tex}
 
-  \jlptSection{N3}{n3}
+  \chapterIntroduction{Grade 5}{grade5}
+  \input{./data/pages/grade5.tex}
 
-  % \input{./data/pages/n3.tex}
+  \chapterIntroduction{Grade 6}{grade6}
+  \input{./data/pages/grade6.tex}
 
-  \jlptSection{N2}{n2}
-
-  % \input{./data/pages/n2.tex}
-
-  \jlptSection{N1}{n1}
-
-  % \input{./data/pages/n1.tex}
+  \chapterIntroduction{Junior High}{grade7}
+  \input{./data/pages/grade7.tex}
 
 \end{document}
\ No newline at end of file