On the 20 books collection, it included the following:
1. The Cat in the Hat, 2. Green Eggs and Ham, 3. Fox in Socks, 4. One Fish Two Fish Red Fish Blue Fish, 5. How the Grinch Stole Christmas, 6. Oh, the Places You 'll Go!, 7. The Cat in the Hat Comes Back, 8. ABC, 9. And to Think I Saw it on Mulberry Street, 10. Horton Hears a Who!, 11. Scrambled Eggs Super!, 12. Hop on Pop, 13. Dr Seuss ' Sleep Book, 14. Mr Brown Can Moo Can you?, 15. I Had Trouble Getting to Solla Sollew, 16. If I Ran the Circus, 17. The Sneetchers and Other Stories, 18. If I Ran the Zoo, 19. Hunches in Bunches 20. Dr Seuss on the Loose!