Advanced Recommended Book Search Interested in books we counted for our annual diversity statistics? See the Diversity Statistics Book Search. See our Recommended Book Search Guide and Video Tutorial for tips. Keyword search allows asterisk (*) for wildcard (end of word only, e.g. immigra*) and double quoted (") phrase matching. Build your own search by adding up to 5 segments. Use the filters in the gray bar to further refine your search. Clear Filters Title Author/Contributor Subject Keyword And Or Title Author/Contributor Subject Keyword And Or Title Author/Contributor Subject Keyword And Or Title Author/Contributor Subject Keyword And Or Title Author/Contributor Subject Keyword Additional Filters open additional filters close additional filters Ages Babies/Toddlers (birth – 3) PreK-Early Elementary (Ages 4-7) Grades 3-5 (Ages 8-10) Grades 6-8 (Ages 11-13) Grades 9-12 (Age 14 and older) Diversity Subject Arab Asian Black/African Brown Skin Unspecified Indigenous Latinx Middle East Multicultural General Pacific Islander Christian Jewish Muslim Other Religion Gender Nonconformity LGBTQ Character/Topic LGBTQ Family LGBTQ Innuendo LGBTQ Non-Fiction Cognitive/Neurological Disability/Condition Physical Disability/Condition Psychiatric Disability/Condition Contributor Arab Asian BIPOC Unspecified Black/African Indigenous Latinx Middle East Multiracial Pacific Islander White LGBTQ Christian Jewish Muslim Other Religion Cognitive/Neurological Disability/Condition Physical Disability/Condition Psychiatric Disability/Condition Content Type Fictional narratives (may include picture book stories, easy readers, novels, graphic novels) Informational books (formats may include picture books, easy readers, graphic novels, substantial narrative non-fiction) Concept Book Poetry Format Board book Picture book Easy Reader Novel Short Stories Graphic Novel Poetry Substantial Narrative Non-Fiction Biography, Autobiography and Memoir Publication Year From (YYYY) To (YYYY) Wisconsin Wisconsin author Wisconsin illustrator Wisconsin setting Wisconsin subject/interest Search Subject: Codes and Ciphers Remove Filter 1 2 Next > The Case of the Gypsy Goodbye: An Enola Holmes Mystery by Nancy Springer Publisher: Penguin, 2010 Pages: 176 ISBN: 9780399252365 CCBC Age Recommendation: Ages 9-12 CCBC Location: Fiction, Springer Add To My List Code Name Verity by Elizabeth Wein Publisher: Hyperion, 2012 Pages: 343 ISBN: 9781423152194 CCBC Age Recommendation: Age 13 and older CCBC Location: Fiction, Wein Add To My List Code Talker: A Novel About the Navajo Marines of World War Two by Joseph Bruchac Publish Year: 2005 Pages: 231 ISBN: 0803729219 CCBC Age Recommendation: Age 12 and older CCBC Location: Fiction, Bruchac Add To My List The Enigma Game by Elizabeth Wein Publishers: Disney, Hyperion, 2020 Pages: 437 ISBN: 9781368012584 CCBC Age Recommendation: Age 12 and older CCBC Location: Fiction, Wein Add To My List Hold Fast by Blue Balliett Publisher: Scholastic, 2013 Pages: 274 ISBN: 9780545299886 CCBC Age Recommendation: Ages 8-11 CCBC Location: Fiction, Balliett Add To My List King & Kayla and the Case of the Secret Code by Dori Hillestad Butler Illustrated by Nancy Meyers Publisher: Peachtree, 2017 Pages: 46 ISBN: 9781561458783 CCBC Age Recommendation: Ages 4-7 CCBC Location: Fiction, Butler Add To My List Look! What Do You See? An Art Puzzle Book of American & Chinese Songs by Xu Bing Illustrated by Becca Stadtlander Publisher: Viking, 2017 Pages: 38 ISBN: 9780451473776 CCBC Age Recommendation: Ages 8-12 CCBC Location: Non-Fiction, 793 Bing Add To My List Mr. Wuffles! by David Wiesner Illustrated by David Wiesner Publisher: Clarion, 2013 Pages: 32 ISBN: 9780618756612 CCBC Age Recommendation: Ages 5-10 CCBC Location: Picture Book, Wiesner Add To My List The Real Dada Mother Goose: A Treasury of Complete Nonsense by Jon Scieszka Illustrated by Julia Rothman Publisher: Candlewick, 2022 Pages: 72 ISBN: 9780763694340 CCBC Age Recommendation: Age 8 and older CCBC Location: Non-Fiction, 811 Scieszka Add To My List Top Secret: A Handbook of Codes, Ciphers, and Secret Writing Publisher: Candlewick, 2004 Pages: 136 ISBN: 0763609714 CCBC Age Recommendation: Age 9 and older CCBC Location: Non-Fiction, 652 Janeczko Add To My List 1 2 Next >