PGRule6/TheodorSeussGeisel

List of pre-63 books, cribbed from wikipedia:

1. And to Think That I Saw It on Mulberry Street New York: Beginner Books, Vanguard Press, Random House, 1937 R345815
2. The 500 Hats of Bartholomew Cubbins New York: Beginner Books, Vanguard Press, Random House, 1938 R373275
3. The King's Stilts New York: Random House, 1939 R410210
4. The Seven Lady Godivas New York: Random House, 1939 R407033
5. Horton Hatches the Egg New York: Random House, 1940 R428772
6. McElligot's Pool New York: Random House, 1947. Caldecott Honor Book R589631
7. Thidwick the Big-Hearted Moose New York: Random House, 1948 R613758
8. Bartholomew and the Oobleck New York: Random House, 1949. Caldecott Honor Book R645569
9. If I Ran the Zoo New York: Random House, 1950. Caldecott Honor Book R667542
10. Scrambled Eggs Super! New York: Random House, 1953 **** No hits! check further! ****
11. Horton Hears a Who! New York: Random House, 1954 RE115184
12. On Beyond Zebra! New York: Random House, 1955 RE160864
13. If I Ran the Circus New York: Random House, 1956 RE205426
14. How the Grinch Stole Christmas! New York: Random House, 1957 RE238319
15. The Cat in the Hat New York: Beginner Books, Random House, 1957 RE240391
16. The Cat in the Hat Comes Back New York: Beginner Books, Random House, 1958 RE288973
17. Yertle the Turtle and Other Stories New York: Random House, 1958 RE288967
18. Happy Birthday to You! New York: Random House, 1959 RE323355
19. One Fish Two Fish Red Fish Blue Fish New York: Beginner Books, Random House, 1960 RE376431
20. Green Eggs and Ham New York: Beginner Books, Random House, 1960 1988 B-16 RE376436
21. The Sneetches and Other Stories New York: Random House, 1961 RE425704
22. Dr. Seuss's Sleep Book New York: Random House, 1962 RE465216
23. Dr. Seuss's ABC New York: Beginner Books, Random House, 1963 RE561716 RE527899
24. Hop on Pop New York: Beginner Books, Random House, 1963 1991 B-29 RE561717 RE528173

Writing as Theo. LeSieg

LeSieg is Geisel spelled backwards.

1. Ten Apples up on Top!. Illustrated by Roy McKie. ©1961, 1989–2004, B-19 RE430091