My daughter loved all types of books when she was younger.

My son, who will be 3 in July, seems to only like books that rhythm or have some type of pattern.

Here are some he likes:

Enough Inigo Enough https://www.amazon.com/Enough-Inigo-Gentle-Revolution/dp/075...

Good Night Moon https://www.amazon.com/Goodnight-Moon-Margaret-Wise-Brown/dp...

Little Blue Truck https://www.amazon.com/Little-Blue-Truck-board-book/dp/05445...

Green Eggs and Ham https://www.amazon.com/Green-Eggs-Ham-Dr-Seuss/dp/0394800168