Entering Grade 5

Mystery

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39 Clues series, various authors
Book 1: The Maze of Bones by Rick Riordan
Amy and Dan try to find the lost source of their family's power by decoding 39 clues throughout the world.
The Ambrose Deception by Emily Ecton
Three not-so-studious kids are chosen to compete in a $10,000 dollar scholarship. Each is given a series of clues to solve, a cell phone, a personal driver and a limit-free debit card. But as the mystery deepens, the kids start to wonder if the recent death of prankster millionaire Enoch Ambrose has something to do with their quest.
The Book Scavenger series by Jennifer Chambliss Bertman
Book 1: Book Scavenger
Garrison Griswald, the creator of the online sensation Book Scavenger, has been attacked and is in a coma. Racing against time, 12 year olds Emily and James rush from clue to clue, desperate to figure out the secret at the heart of Griswold's new game―before those who attacked Griswold come after them too.
Drew Leclair series by Katryn Bury
Book 1: Drew Leclair Gets a Clue
Drew has studied the cases of a famous criminal profiler and even solved a few mysteries herself. But she managed to miss some clues to a family scandal, and wants to keep it all private. When a cyberbully starts publishing embarrassing secrets about Drew and her classmates, she knows she has to pull out her detective skills. What do you do, though, when the suspects may be your friends?
Eddie Red Undercover series by Marcia Wells
Book 1: Eddie Red Undercover: Mystery on Museum Mile
Due to his photographic memory and talent for sketching, sixth-grade Eddie is recruited as an undercover agent for the NYPD to help solve a series of art thefts.  The problem: would you trust a twelve-year-old with a taser?
History's Mysteries series, published by National Geographic Kids
Legends and Lore by Anna Claybourne
Solutions to some of history's most fascinating problems, including the puzzling facts behind famous fairy tales and folklore, cryptic creatures of myth and legend, long-lost labyrinths filled with treasures, and so much more. Full of cool photos, fun facts, spooky fun, and the latest new evidence and leading theories. (nonfiction)
Mr. Chickee’s Funny Money by Christopher Paul Curtis, and other books by this author
sequel: Mr. Chickee’s Messy Mission
Steven, president of The Future Detectives of Flint, is given a quadrillion-dollar bill with a picture of James Brown on it, and he and his friends must figure out the origin of the funny money.
Mr. Lemoncello's Library series by Chris Grabenstein
Book 1: Escape from Mr. Lemoncello's Library
Kids chosen to participate in the sleepover at the amazing new library founded by the the world-famous game designer Luigi Lemoncello, must use all their puzzle solving skills to find the hidden escape route to escape the locked library in the morning.
The Samurai Mysteries series by Dorothy & Thomas Hoobler
Book 1: The Ghost in the Tokaido Inn
Fourteen year old Seikei finds himself caught up in the search for the shogun’s priceless ruby stolen by what appears to be a ghost in 18th-century Japan.
The Secret Keepers by Trent Lee Stewart
(also by this author: The Mysterious Benedict Society)
Reuben and his friends race to solve a mystery involving an antique watch, thwart a sly villain and save the city from a terrible fate.
What Lives in the Woods by Lindsay Currie
Not only do Leo and Ginny have to spend the summer in a tiny town away from their friends, but the house they're staying in may be haunted. Almost immediately, mystery obsessed Ginny begins to see moving objects, faces in the mirrors and other mysterious goings-on. Can the kids find out the truth behind the curse of Woodmoor Manor?