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When the Boxcar Children help out in a local garden, they dig up one strange thing after another! First, the tomato plants seem to move every day. How can that be? Then the Aldens follow the clues to an unsolved bank robbery, and it's clear that a very big mystery is growing in Greenfield.

The New York Times best-selling author of the Sisters Grimm series, Michael Buckley has also written and developed shows for Cartoon Network, Nickelodeon and Discovery Channel. Supervillain Gerdie Baker, assisted by criminal mastermind Simon, has created a device that opens portals to other worlds, which she and other cheerleaders have been pillaging. But the alternate realities are starting to get awfully close together, so it’s up to Matilda “Wheezer” Choi and the NERDS to stop the cheerleaders before the worlds collide.

Join the world’s greatest detective, Nate the Great, as he solves the mystery of the missing money box! Perfect for beginning readers and the Common Core, this long-running chapter book series will encourage children to problem-solve with Nate, using logical thinking to solve mysteries! ...

This volume includes: The Animal Shelter Mystery, The Old Motel Mystery, and The Mystery of the Hidden Painting. In The Mystery of the Hidden Painting, the Aldens find a mysterious painting hidden in the attic. The children learn that it is a portrait of their grandmother, whom they never knew, wearing the necklace Grandfather gave her when they were married. The necklace disappeared on their first anniversary - and was never found. Can the Boxcar Children track down a necklace missing for so many years?

A friend of Nancy Drew’s hopes to use her sleuthing skills to solve what seems to be a strange haunting at her aunt’s house! Hearing strange creaking, eerie thumps, and even music, the secretive mansion seems to be hiding something sinister. At the same time, Nancy’s father is warned of a...

The King of Bohemia wishes to marry...but before he can do so, he needs Sherlock's help! Can the sleuth retrieve an embarrassing photograph of the royal, before a scandal erupts and the king is forced to cancel his wedding plans?

In the fifth book in the New York Times bestselling Spy School series, Ben goes undercover in the White House to take on a SPYDER operative determined to assassinate the president. Thirteen-year-old Ben Ripley has had a lot of field success despite only just beginning his second year at Spy...

Fourteen-year-old Mona isn't like the wizards charged with defending the city. She can't control lightning or speak to water. Her familiar is a sourdough starter, and her magic only works on bread. She has a comfortable life in her aunt's bakery making gingerbread men dance. But Mona's life is turned upside down when she finds a dead body on the bakery floor. An assassin is stalking the streets of Mona's city, preying on magic folk, and it appears that Mona is his next target. And in an embattled city suddenly bereft of wizards, the assassin may be the least of Mona's worries.

Things are finally looking up for Amelia Jones: She's officially a Mystwick student, and she even has a teacher to help her learn how to use her rare Composing magic. When Mystwick enters an international magic competition, it’s Amelia's chance to Compose something that will help them win the day. The only problem is that she still doesn’t understand how her powers work. But then she hears about a super exclusive Midnight Orchestra - half performance, half magical black market. But the Midnight Orchestra is far more sinister than it initially appears.

An abandoned mansion, strange noises, and secret spies. Detective duo Alice and Theo reunite with their East End friends to solve a new mystery in Edwardian London. Their curiosity is awakened when sounds come from the spooky house next door. A plea for help catapults the gang into a thrilling chase. Join them as they dash across historic sites from the British Museum to hidden catacombs in a fast-paced action adventure.

After a merciless winter, spring has sprung in 1880 Stockholm, and the city awaits the arrival of the SS Vega, the first ship to have sailed the Northeast Passage. Life is busy at the orphanage, but twelve-year-old Mika quickly notices that the older orphans are up to something—and it doesn’t look good. When Constable Hoff approaches her with information about thefts around the city, Mika becomes even more concerned about what the other kids are up to—and what they might be planning for the Vega celebration.

This volume includes: Benny Uncovers a Mystery, The Haunted Cabin Mystery, and The Deserted Library Mystery. In The Haunted Cabin Mystery, the Aldens are going with grandfather to visit his friend, old Cap Lambert, a retired riverboat pilot who lives in a cabin in the woods. To get there, the Boxcar Children take a wonderful trip down the Mississippi in a paddlewheel boat. But when they arrive at Cap Lambert’s cabin, they find some mysterious things are going on. Spooky phone calls, eerie flickering lights, strange dark figures. Is the cabin haunted?

Noah and Violet, treasure hunters and protectors of the Overworld, are back in this fifth installment of the League of Griefers series. When skeletons corner Noah and Violet, the duo escapes through a portal to the Nether. Trouble brews as Noah accidently leaves the portal open, and the mobs from the Overworld enter the Nether. Noah and Violet must battle hostile mobs from both worlds to survive. Taking shelter in a Nether Fortress, they befriend treasure hunters who help them battle the mobs.

One warm night four children stood in front of a bakery. No one knew them. No one knew where they had come from. Henry, Jessie, Violet, and Benny are orphans. Can they find a home where they can stay together as a family?

The grand finale to the best-selling series, Attack of the BULLIES stars Ruby Peet, aka Agent Pufferfish, the team captain with super nanobyte-enhanced allergies. Pufferfish leads the team in their latest case: the kidnapping of the president' s daughter. But the NERDS discover she hasn' t been kidnapped - she' s been recruited. Their former librarian, Ms. Holiday, has started a rival organization called BULLIES, who each have their own nanobyte-enhanced upgrades. The BULLIES' plan: go back in time to make sure NERDS never existed!

A virus has infected Arlington, Virginia, home of NERDS headquarters, and it's much worse than your run-of-the-mill flu. Instead of coughing and sneezing, the victims of this voracious virus are transformed into superintelligent criminal masterminds. Soon nearly everyone - including some of the NERDS team - is plotting to take over the world. And who's to blame for this nasty infection? None other than former NERDS teammate Heathcliff Hodges. With more people breaking out into evil cackles every day, it's up to Flinch, the hyperactive superspy with a sweet tooth, to stop the virus.

In the eighth book in the New York Times bestselling Spy School series, Ben Ripley faces the Croatoan—a new evil organization that’s so mysterious, the only proof it exists is from the American Revolution. With SPYDER defeated, Ben Ripley is looking forward to his life getting back to normal...

There’s no doubt about it: These kids are nerds. Awkward, unpopular, uncool as uncool can be—and yet, there’s something about these “nerds” that nobody else knows. These dweebs are actually superspies who use their dorky skills to battle the evil Hyena and other villainous baddies.

When we last left our squad at the end of book 10, Claire had just learned the horrible truth about her father, and a dragon head gave Jimmy a cryptic clue as to the whereabouts of the kidnapped Notch. What does this all mean? Will Notch ever be freed, or is he doomed? And will Emma ever use the amazing elytra she acquired at the end of book 10?

Together, Charlie and Frog set out to decipher a series of clues and uncover the truth behind a missing woman's mysterious message. Charlie needs to learn American Sign Language (fast) to keep up with quick-witted Frog. And Frog needs to gather her detective know-how (now) to break the case before it's too late.