Nico, the son of Hades, and his boyfriend Will, the son of Apollo, travel to Tartarus, the deepest, darkest part of the Underworld as they attempt to rescue an old friend.

Between the pages of this book lies the secret to the best-tasting chocolate in all the world. I promise, your taste buds will tingle. Your palette will sing! Oh no, have I accidentally tempted you to read this book? I will warn you, however, the most delicious things are never good for you...and this story is particularly scrumptious!
In this tooth-rotting adventure, Cass's mom has been kidnapped by the evil dessert chef and chocolatier,...

A marine biology student reporting to his summer job on an island off Portugal finds himself at the center of a power struggle between his boss and another group of Americans.

A nest of invisible baby dragons has been discovered in Queen Sofia's castle so Drake, Worm, and Val, Carlos's cousin, must journey to the dangerous Dove Island to find the parents and the fruit that keeps the dragons' invisible powers.

Racing to bring the magic crystals to the Coral Kingdom, the six young mermaids discover a dolphin trapped in a fisherman's net, thanks to the evil Mantora, and Sophie, the fastest swimmer, rushes off to find help.

Two eleven-year-old misfits try to solve the mystery of a dead magician and stop the evil Dr. L and Ms. Mauvais, who are searching for the secret of immortality. This is the story of a secret, and also a secret story. This is the story of Cass and Max-Ernest, two friendless 11-year olds who come together to solve the mystery surrounding a dead magician and the clues he left behind. When they find a mysterious case containing vials of liquid labeled...

Amy and Dan Cahill have been located once again, this time in the company of the notoriously unreliable Alistair. Spies report that Amy and Dan seem to be tracking the life of one of the most powerful fighters the world has ever known. If this fearsome warrior was a Cahill, his secrets are sure to be well-guarded.

When aspiring astronaut Maisie Danger Brown, who was born without a right hand, and the other space camp students get the opportunity to do something amazing in space, Maisie must prove how dangerous she can be and how far she is willing to go to protect everything she has ever loved.

Cass and Max-Ernest discover the Museum of Magic, unscramble more coded messages, and solve new mysteries in their attempt to thwart the Terces Society's ambitions of discovering immortality.

"When the Avengers are assembled to contain a super threat in New York City, Spider-Man is given the most important job of all: to make sure all the Avengers' super pets are safe! Spider-Man wants in on the bad guy fighting action, but with great power comes great pet sitting"-- Provided by publisher.