39 clues clues

Undercover Bookworms - (Hardy Boys Clue Book) by Franklin W Dixon (Paperback)

Pets on Parade - (Nancy Drew Clue Book) by Carolyn Keene (Paperback)

Nancy Drew 24: The Clue in the Old Album - by Carolyn Keene (Hardcover)

Nancy Drew 44: The Clue in the Crossword Cipher - by Carolyn Keene (Hardcover)

A to Z Animal Mysteries #3: Cougar Clues - by Ron Roy & Kayla Whaley (Paperback)

Nate the Great and the Phony Clue - by Marjorie Weinman Sharmat (Paperback)

The Blue Island Thief (Thea Stilton #39) - (Paperback)

The Zoo Crew - (Nancy Drew & the Clue Crew) by Carolyn Keene (Paperback)

Pool Party Puzzler - (Nancy Drew Clue Book) by Carolyn Keene (Hardcover)

Super Stickers! (Blue's Clues & You) - (Paperback)

I Know Mad - (We Find Feelings Clues) by Lindsay N Giroux (Paperback)

We Find Feelings Clues Complete Series 6-Book Set - by Lindsay N Giroux (Paperback)

Camp Creepy - (Nancy Drew & the Clue Crew) by Carolyn Keene (Paperback)

Buggy Breakout - (Nancy Drew & the Clue Crew) by Carolyn Keene (Paperback)

I Know Curious - (We Find Feelings Clues) by Lindsay N Giroux (Paperback)

All about Fossils: Discovering Dinosaurs and Other Clues to the Past (a True Book: Digging in Geology) - (True Books: American History (Hardcover))

Blue's Clues & You: It's Puppet Time with Blue! - by Jane Kent (Paperback)

The Cipher of the Seven Stars - (Constellation Clues) by Lee Reed (Paperback)

The Tortoise and the Scare - (Nancy Drew Clue Book) by Carolyn Keene (Paperback)

World Record Mystery - (Nancy Drew Clue Book) by Carolyn Keene (Hardcover)

The Pumpkin Patch Puzzle - (Nancy Drew & the Clue Crew) by Carolyn Keene (Paperback)

The 39-Story Treehouse (Special Collector's Edition) - (Treehouse Books) by Andy Griffiths (Hardcover)

Archaeologists Dig for Clues - (Let's-Read-And-Find-Out Science 2) by Kate Duke (Paperback)

An Encrypted Clue - (Math Kids) by David Cole (Paperback)