Superman, Batman and the rest of their CD Super Friends team up to stop the nefarious Black Manta, who has stolen the world's largest pearl and unleashed a deadly giant octopus.

"A must-have series for middle-grade readers." -Booklist Imagine if Sherlock Holmes was an eleven-year-old girl! When Friday Barnes, girl genius, solves a bank robbery, she uses the reward money to send herself to Highcrest Academy, the most exclusive boarding school in the country-and discovers it's a hotbed of crime! Soon she's investigating everything from disappearing homework to the terrifying Yeti haunting the school swamp. But the biggest mystery...

"A boy and his dog embark on what is clearly not an ordinary day of fishing." -- Front jacket flap.

Meet the Secret Explorers a band of brainiac kids from all around the world. Everyone in this diverse group of young experts has a specialty, from outer space to dinosaurs, and each story follows a character who gets chosen for a secret exploration. In this fun, fact-filled children s book, we join volcanoes expert Cheng on an exciting mission to Mount Yasur on the island of Vanuatu. Joined by biology expert Leah, the team are beyond excited to...

Publisher Annotation: Six months ago, Mars Patel boarded a spaceship to travel to Oliver Pruitt's colony on the planet Mars, and now he's finally there. The journey gave Mars lots of time to bond with his copilots, but Mars and his new friends soon discover that Pruitt's colonists aren't the only people living on the inhospitable planet. A splinter group, led by the mysterious Fang, are desperate to go back to Earth-and they don't care who they hurt...

While on an underwater adventure seeking sunken treasure, Flat Stanley finds a dolphin trapped in a net.

This exciting middle-grade adventure is Hoot for the Gilded Age-with scientific discoveries, secret plots, and surprisingly enormous fauna. When his asthma lands him at a health resort in the wilds of Gilded Age South Florida, twelve-year-old Algie Emsworth is over the moon. The scientific treasure trove of unexplored swamps may launch his dream career as a naturalist. But even Algie is startled when he happens upon a brand-new species and her brood...

Two married academics are recruited to search for a missing spy in this bestselling espionage thriller that takes readers into the heart of Nazi Germany just before World War II
 
Richard and Frances Myles are preparing for their annual European summer vacation in 1939 when they are visited at their Oxford college by old friend Peter Galt, who has a seemingly simple job for them. But in the heightened atmosphere of pre-war...

When the Little family finds a map in Grandpa's old papers, they go exploring.

Journeying in a magical region where he continues his search for his friends and works to correct magical imbalances in The Outskirts, Cole confronts challenges that threaten to trap him in the world between reality and imagination.