Minecraft 20w17a added support for custom colours in text, so books can now display images : r/Minecraft

Minecraft Custom Personalized Spiral Notebook Cover Print Ruled

Chat – Minecraft Wiki

Java Edition 1.16/Development versions – Minecraft Wiki

Java Edition 1.18/Development versions – Minecraft Wiki

Java Edition 1.13/Development versions – Minecraft Wiki

Sign – Minecraft Wiki

Java Edition 1.8/Development versions – Minecraft Wiki

Book coloring works - Recent Updates and Snapshots - Minecraft

More Nether Tweaks Incoming - Snapshot 20w17a is out! : r/Minecraft

10000 best r/Minecraft images on Pholder

10000 best r/Minecraft images on Pholder