This book presents a self-contained account of the exact solution of the Hubbard model in one dimens... more

"Isaac’s been poisoned and in order to save him, Agnes must lead a revolution and confront the booms... more

"When Agnes learns that Isaac has snuck out to Paragon without her, she must use her newfound braver... more

"Agnes and Isaac are trapped in Paragon when their portal to the real world is struck down during a ... more

"Agnes and Isaac return to Paragon to escape from their school day and enjoy a refreshing swim, but ... more

"Agnes brings her friend Isaac to Paragon to prove the magical world is real, but their fun adventur... more

"After locking herself in a walk-in freezer, Agnes discovers a portal to a strange world and that sh... more

The annual contest for young pirates is finally here! Piper and Percy each hope to win and be named ... more

The pirate kids are visiting their grandparents’ ship while their parents are on a treasure hunt. Gr... more

While up in the crow’s nest playing a game of Pirate Eye, Percy spots a sea monster! Alarmed, the pi... more

Piper and Percy are excited to meet their mother’s old friend, Seahawk Sally, and her son, Penningto... more

"Howell Davis agrees to bring Phoebe and Max back to Doubloons Pirate Park if they help him steal so... more

Phoebe never imagined she’d end up in a pirate scheme, let alone one with the infamous Anne Bonny. B... more

"When Blackbeard accuses the kids of stealing his scepter, Phoebe and Max must figure out who the re... more

"Phoebe and Anne Bonny dress up as fortune-tellers to trick Stede Bonnet’s, the gentleman pirate, la... more

"Phoebe feels like she is out of control, but as she works alongside infamous Anne Bonny, she gains ... more

"Piper and Percy are prepared for Pirate Fest, the annual competition for young pirates to show off ... more

"Piper and Percy are looking forward to shark-catching lessons with Grandpa Jabber Joe, but the hook... more

"While playing a game of Pirate’s Eye high in the crow’s nest, Percy spots two giant tentacles in th... more

Piper and Percy are excited to meet their mother’s old friend, Seahawk Sally, and her son, Penningto... more

Siblings Piper and Percy are young pirates, living on a pirate ship with their pirate mother and fat... more

Ava s father is so proud to reopen Ursula s Funland. But when creepy incidents threaten to shut down... more

Ava s father is so proud to reopen Ursula s Funland. But when creepy incidents threaten to shut down... more