1 Is One

1 Is One
Author	Tasha Tudor
Publisher	Henry Z. Walck, Inc., HarperCollins
Publication date	1956
Pages	unpaged
Awards	Caldecott Honor

Last updated December 14, 2025

1 is One is a 1956 picture book written and illustrated by Tasha Tudor. The book counts to twenty in numbers and watercolor illustrations. Some of the illustrations show animals like ducklings and sheep. There is a board book edition.^[1]

The book was a recipient of a 1957 Caldecott Honor for its illustrations.^[2]^[3]

References

↑ "1 is One by Tudor, Tasha: Good (2002) | Wonder Book". www.abebooks.com. Retrieved 2025-12-13.
↑ "Caldecott Medal & Honor Books, 1938-Present". Association for Library Service to Children (ALSC). Archived from the original on 2019-03-29. Retrieved 2019-05-01.
↑ Martin, Douglas (June 20, 2008). "Tasha Tudor, Children's Book Illustrator, Dies at 92". The New York Times. Two of Ms. Tudor's books were named Caldecott Honor Books: "Mother Goose" (1944) and "1 Is One" (1956).

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[1] "1 is One by Tudor, Tasha: Good (2002) | Wonder Book". www.abebooks.com. Retrieved 2025-12-13.

[2] "Caldecott Medal & Honor Books, 1938-Present". Association for Library Service to Children (ALSC). Archived from the original on 2019-03-29. Retrieved 2019-05-01.

[3] Martin, Douglas (June 20, 2008). "Tasha Tudor, Children's Book Illustrator, Dies at 92". The New York Times. Two of Ms. Tudor's books were named Caldecott Honor Books: "Mother Goose" (1944) and "1 Is One" (1956).

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