A free program for Android, by Marius Krusen.

CleverBook for MC is your one-stop digital handbook for navigating the ins and outs of Minecraft. It contains everything you need to know about Minecraft, from mobs and potions to enchantments and redstone circuits. You can add a topic to your favorites for easy reading access. 

Each topic contains relevant images, while some topic pages have links to Wiki pages. CleverBook for MC also features a search option, filters, server list, and Minecraft news.  You may also enable dark mode if you often use CleverBook for MC  at night. CleverBook for MC supports eight languages and is available for download on the Play Store.