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First published in 1880, The Sign of the Four the second Sherlock Holmes novel after A Study in Scarlet, published three years earlier will sweep the readers away into a story of murders, betrayals, double-crossings and stolen treasures, and is an enduring testament to the storytelling genius of Arthur Conan Doyle.

(Hardback)

"Frank and Joe uncover a century-old mystery buried in a New York City prohibition museum"--

(Hardback)

When their town is rocked by a series of baby kidnappings, Teo and her friend Logan spend their summer investigating the disappearances and set off to rescue the missing babies.

(Paperback)

Synopsis coming soon.......

(Paperback)

Includes an excerpt from Restricted access.

(Hardback)

Includes an excerpt from Restricted access.

(Hardback)

While investigating a case of sabotage at a dog show, Nancy and her friends are drawn into an undercover international operation in pursuit of a jewel smuggler.

(Hardback)

The discovery of a packet of old letters sends seventeen-year-old Abby Schoenberg to Nantucket to unravel a family mystery about her grandmother's past, but things get complicated when Abby meets the cute grandson of a prominent family who wants to stop her from investigating.

(Paperback)

From the Newbery Award-winning author of "The Westing Game" comes this story of Dickory Dodd, who comes to 12 Cobble Lane to take a job as a painter's assistant. However, she suddenly finds herself assisting the artist in crime solving. An ALA Notable Book. Reissue.

(Paperback, Reissue)

A series of murders that are eerily similar to the dark stories Lana's deceased brother used to tell start happening in her home town, threatening her newfound popularity.

(Paperback)

Detective brothers Frank and Joe work to debunk a time travel machine in the eighth book of this interactive series. Illustrations. Original.

(Hardback)

(Hardback)

Nancy, Bess, and George are excited about their school trip to the Wildlife Refuge, but when they arrive the animal Nancy most wants to see, a sixty-year-old tortoise, is on the loose.

(Paperback)

Nancy, Bess, and George are excited about their school trip to the Wildlife Refuge, but when they arrive the animal Nancy most wants to see, a 60-year-old tortoise, is missing in the 11th book in this interactive mystery series.

(Hardback)

A special treat for Hardy Boys fans and any reader who's new to the series! The Tower Treasure, the first book in the incredibly popular, long-running series. In this classic adventure, Frank and Joe Hardy work together to solve a high-stakes jewel heist. Now with a brand-new look, this is an edition that collectors won't want to miss.

(Paperback)

The second book in The Trapdoor Mysteries, a series about Tally, a code-breaking, animal-loving servant girl and her best friend, a squirrel named Squill, who solve mysteries with the help of a secret library...

(Paperback)

When Nina's mother disappears, leaving only a cryptic note, Nina is determined to uncover the mystery of where she's gone and why.

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(Hardback)

From the author of the bestselling Secret Series comes this funny chapter-book mystery about a third-grade magician and the wisecracking rabbit who is the secret brains behind his act. Illustrations.

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On the day Katharina Linden disappears, Pia is the last person to see her. Terror is spreading through the town. How could a ten-year-old girl vanish in a place where everybody knows everybody else Pia is determined to find out what happened to Katharina. But then the next girl disappears...

(Paperback)

Someone is sabotaging student projects and all signs point to Tom's friend Sam as the culprit, so Tom and his friends set out to clear her name.

(Hardback)

Includes an excerpt from The Spybot Academy.

(Paperback)

A ghostly story of suspense told in two voices--one still living and one dead. Nova Ren Suma tells a supernatural tale of guilt and innocence, and what happens when one is mistaken for the other.