Here is my translation of the Instruction Booklet from TUNIC. Please note that this obviously contains spoilers so if you have not played the game and don't want to be spoiled then close this page immediately!
Each page is shown as it normally appears in the game, however by placing the cursor over one will show the translations. If there is nothing to translate or I have not translated the page yet this will be noted. Additionaly I have taken some creative liberties with modifying the images. For example, the compass on page 34.
Right clicking on a page will display spells if any are hidden on it.