Secret of the Staircase: Something's lurking beneath the famous staircase at The Jefferson, Richmond's historic downtown hotel. Back in 1895, when the hotel opened, real alligators roamed free in the courtyard fountains. That was ages ago...or was it? When young brothers Sam and Derek arrive at The Jefferson for an elegant wedding weekend with their parents, they love exploring the old hotel. But when the wedding rings go missing and Sam is blamed, the boys and their friends must hunt down the truth no matter where it leads.

Before Jake’s grandfather died, he was on the trail of a centuries-old mystery. And he has entrusted that mystery to Jake, leaving behind a set of hidden codes, riddles, maps, and other clues that lead Jake and his friends on a scavenger hunt into the heart of Colorado’s wild and rugged Rocky Mountain National Park.

Bryce would never have just left. Thirteen-year-old Zach knows that deep in his bones. Something terrible must have happened to his older brother. So when the green-eyed fox leads him to a hidden message from Bryce deep within their favorite game’s virtual universe, Zach knows he must act quickly. Teaming up with his best friend, a skillful classmate, and Bryce’s girlfriend, Zach races into a real-world mission to decode his brother’s mysterious warning.

Almost a year has passed since Stella and Tom discovered a time tunnel and travelled to early 1900s London, where they befriended Emma, Lucy ,and Jack. The magical moles that made the tunnel and secret lake appear have since vanished, but the children are longing to meet again. Then an illness, which puts Emma’s life in danger, changes everything. The moles reappear, just when needed, and Lucy realizes the only hope of finding a cure lies in the future.

There’s more than meets the eye when it comes to solving the world’s most curious capers. For middle school detectives Ava and Carol, it means sticking together, using their heads, and making sure justice is served swiftly and fairly. No matter where the trail may lead, Amy and Carol are on the case. Now, you too can give chase to jewel thieves, criminals, and power-hungry pilferers everywhere alongside this amazing dynamic duo.

On a visit to a coastal harbor town, the world is Noah’s oyster as long as the stormy weather doesn’t ruin the fun. Summer break has just begun, and with seven days of freedom, how much trouble can 13-year-old Noah, his best friend, and his sister really find? Plenty, as it turns out. Because when the kids go snooping around an old decommissioned lighthouse, its troublesome secrets begin to reveal themselves, and the kids are about to stumble upon a hundred-year-old mystery that still haunts the nearby fishing village.

Twelve-year-old Samuel Collier is a lowly commoner on the streets of London. So when he becomes the page of Captain John Smith and boards the Susan Constant, bound for the New World, he can’t believe his good fortune. He’s heard that gold washes ashore with every tide. But beginning with the stormy journey and his first contact with the native people, he realizes that the New World is nothing like he imagined. The lush Virginia shore where they establish the colony of James Town is both beautiful and forbidding, and it’s hard to know who’s a friend or foe.

Ten-year-old George Calder can't believe his luck - he and his little sister, Phoebe, are on the famous Titanic, crossing the ocean with their aunt Daisy. The ship is full of exciting places to explore, but when George ventures into the first-class storage cabin, a terrible boom shakes the entire boat. Suddenly water is everywhere, and George's life changes forever.

Tim broke the nervous silence. "What--what was that?" "I don't know," said Robert. "But whatever it is, it's been locked in there for over a hundred years!" Meet the five Wright cousins in their first big mystery together. I mean, what could be more fun than a treasure hunt with five crazy, daring, ingenious, funny and determined teenagers, right? The adventure grows as the cousins run headlong into vanishing trains, trap doors, spooky gold mines and surprises at every turn. Have a blast with the Wright cousins as they team up to uncover the real TREASURE OF THE LOST MINE! Family friendly!

Against the ominous backdrop of the influenza epidemic of 1918, Elsie, the class tattletale, liar, and thief, claims the new girl at school, Annie, as her best friend. But Annie soon makes other friends as well and finds herself joining them in teasing and tormenting Elsie, who later succumbs to the epidemic and dies. Elsie is not absent from school long, though. She soon returns there as a ghost, ready to reclaim Annie's friendship and to punish all the girls who bullied her.