"A new ride is opening at Luna park! Every mouse in New Mouse City has come for the grand opening. But the rides keep breaking down, and everything is going wrong. Can Geronimo and his friends figure out who is sabotaging the opening of the Train of Terror?"--Publisher.

What begins as a relaxing vacation turns into a time-traveling adventure, where Geronimo Stilton must travel to Khanbalik, or "The City of Khan" (modern day Beijing) in 13th Century China where he encounters Kublai Khan and Marco Polo. This time, Geronimo and friends must stop the Pirate Cats from corrupting Marco Polo's famous book "The Travels of Marco Polo," and changing history forever!

Dog Man, the newest hero from the creator of Captain Underpants, is still learning a few tricks of the trade. If only the Chief would throw him a bone every once and a while...Dog Man needs to dry up the drool, dust away the dander, and roll out of the refuse if he's going to impress the Chief, and he needs to do it fast! Petey the cat is out of the bag, and his criminal curiosity is taking the city by storm. Can the canine crime biter unleash justice...

"Welcome to Stately Academy, a school which is just crawling with mysteries to be solved! The founder of the school left many clues and puzzles to challenge his enterprising students. Using their wits and their growing prowess with coding, Hopper and her friend Eni are going to solve the mystery of Stately Academy no matter what it takes!" --

When a fight breaks out among the members of the Baby-sitters Club, timid Mary Anne finds herself becoming more assertive as a babysitter and in her relationships with her father and friends.

"Twelve-year-old Astrid has always done everything with her best friend Nicole. So when Astrid signs up for roller derby camp, she assumes Nicole will too. But Nicole signs up for dance camp with a new friend instead, and so begins the toughest summer of Astrid's life. There are bumps and bruises as Astrid learns who she is without Nicole ... and what it takes to be a strong, tough roller girl."--

"Olive and Willow are happy campers! Or are they? Olive is sure she'll have the best time at summer camp with her friend Willow - but while Olive makes quick friends with the other campers, Willow struggles to form connections and latches on to the only person she knows - Olive. It's s'more than Olive can handle! The stress of being Willow's living security blanket begins to wear on Olive and before long ... the girls aren't just fighting, they may...

"Raina just wants to be a normal sixth grader. But one night after girl scouts she trips and falls, severely injuring her two front teeth. What follows is a long and frustrating journey with the on-again, off-again braces, surgery, embarrassing headgear, and even a retainer with fake teeth attached. And on top of all that, there's still more to deal with: a major earthquake, boy confusion, and friends that turn out to be not so friendly. Raina's story...

Maureen and Francine Carter are twins and best friends. They participate in the same clubs, enjoy the same foods, and are partners on all their school projects. But just before the girls start sixth grade, Francine becomes Fran -- a girl who wants to join the chorus, run for class president, and dress in fashionable outfits that set her apart from Maureen. A girl who seems happy to share only two classes with her sister! Maureen and Francine are...

When a new sitter arrives and a movie star goes missing, Dog Man and Cat Kid investigate, but Petey, the world's most evil cat, complicates their case.