Dr. Seuss

15 cryptograms in the catalog, every one taken from Dr. Seuss’s own writing rather than from a quotation list.

Where they come from

  • Happy Birthday to You!1
  • Horton Hatches the Egg1
  • I Can Read with My Eyes Shut!1
  • Oh, the Places You’ll Go!1
  • Oh, the Places You'll Go! and The Lorax1
  • One Fish, Two Fish, Red Fish, Blue Fish1
  • The Lorax1

7 of these name the book they came from. The remaining 8 are remarks, letters and speeches, which carry no work.

How hard they are

Graded by the model in our guide to solving cryptograms: 6 easy, 7 medium and 2 hard. Most of Dr. Seuss’s puzzles land in the medium tier.

They average 71.2 letters over 18.1 distinct ones, with 4.4 letters appearing exactly once, which are the letters a frequency count cannot help you with. 66.7% carry an apostrophe, which hands over a letter outright.

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