Albert and his teammates must find a way to correct an imbalance that threatens to destroy both the underground and the entire United States above while avoiding a traitor's attempt to gain Albert's Master Tile.

During the California Gold Rush of 1848, ten-year-old Estrella, who runs so fast she is called "la Estrella corriente," the running star, faces a group of greedy ghosts who have stolen her exotic pets to work in their gold mine.

"Eleven-year-old Albert Flynn and his teammates must restore balance to a hidden underground realm before the Imbalance causes the western coast of the United States to be consumed by earthquakes, hurricanes, and other disasters"--

"Ronan Boyle may be the youngest detective of the secret Garda, but now that he's saved the captain from a spooky cult, he's also the only detective that has the head of an old Irish god in his vastsack! But his adventures are far from over. His parents are still on the run (he told them the prison break was a bad idea!), and he still has to turn over the corrupt wee folk to the leprechaun king and return to the Human Republic of Ireland to turn over...

In 1892, New Fiddleham, New England, things are never quite what they seem, especially when Abigail Rook and her eccentric employer R.F. Jackaby are called upon to investigate the supernatural. First, a vicious species of shape-shifters disguise themselves as a litter of kittens, and a day later, their owner is found murdered with a single mysterious puncture wound. Then in nearby Gad's Valley, now home to the exiled New Fiddleham police detective...

Spending the summer after sixth grade at his great-uncle's oceanside museum, Thatcher and local girl Trudy team up to help Shoal, one of the people of Atlantis cursed by a witch whose head still survives, and who has an army of monstrous creatures helping her.

Auggie loves his job at the Fabled Stables and when he and Fen enter a portal on a quest to rescue a beast called the Shibboleth they must work together to find a way to calm the very hungry monster.

Olga decides she would like to figure out what planet Meh is from and begins to conduct some research on space travel.

Julie welcomes all lost and homeless creatures into her house, whether they be cats or trolls, ghosts or dragons, but soon realizes that each must have a chore in order for the arrangement to work.

Half-fairy Tamisin and her boyfriend, Jak, have been arguing over whether she should return to the land of the fey when Oberon, king of the fairies, kidnaps her and Jak must return to that place of fairies, goblins, and sphinxes to rescue her.