You can search for keywords throughout a book using the NextGen online and offline reader.
Online and Offline Reader
Open the text you wish to search using the online or offline reader.
Click on the 🔍 icon on the top right hand side.
Enter key word(s) into the search field. A search will be performed for exact matches of the word(s) entered.
Tick "Case sensitive" if you wish to search for the exact word the way it was typed with lowercase and uppercase letters.
E.g. if you search for "The", only results for "The" will show, but "the" will not.
Tick "Whole word" if you wish to search for the exact word you are typing.
E.g. if you search for "the", only results for "the" will show, but other words with the word "the" in it, like "further" will not.