I have created this ABC book companion packet. This allows students to show comprehension through writing for each letter, creating their own drawing for each letter and then giving two facts for each page from a read aloud book. Many upper-level ABC books have fun facts with them and this would accompany them wonderfully! I was inspired by B is for Big Sky Country, written by Sneed B. Collard III.
You could also use these as a template to create your own classroom ABC book.
The first two pages are free in my store, this is the whole alphabet bundled!