Sophie Foster is back in the Lost Cities--but the Lost Cities have changed. The threat of war hangs heavy over her glittering world, and the Neverseen are wreaking havoc. The lines between friend and enemy have blurred, and Sophie is unsure whom to trust. But when she's warned that the people she loves most will be the next victims, she knows she has to act.

In 1989 someone is threatening to steal the crown jewels, so the Queen of England summons Mac B. to England to protect them--and when they are stolen from a locked dungeon cell, where Mac and Holcroft, one of the warders, are supposed to be guarding them, it's up to Mac to figure out how they were stolen, and whether the thief is the descendant of an Irish soldier-of-fortune who tried to steal them in 1671, or someone else entirely.

"The Queen of England calls on Mac B. once again! This time, Mac must crack a secret code that has been recovered from a double agent. A series of clues leads Mac to France, and then to Japan, where he comes face-to-face with his arch-nemesis, the KGB man... and the world headquarters of Nintendo! Is the KGB Man secretly behind all of this? And are Mac's video game skills good enough to facedown his enemy at the Video Game World Championships?"--Provided...

Andy and Terry, introduced in "The 13-Story Treehouse", have expanded their incredible arboreal residence by adding several exciting features, including a robot-controlled ice-cream parlor, a mud-fighting arena, an ATM (Automatic Tattoo Machine), and the Maze of Doom. Their publisher, Mr. Bignose, is demanding their next book, so the friends attempt to tell stories about how they met and how they first built their treehouse. They also have to cope...

Seventeen-year-old Millie joins forces with her classmate, gorgeous but mysterious Chase Colton, to try to uncover who murdered head football coach "Hollerin' Hank" Killdare--and why.

"Based on a true story, the tale of one girl's perilous journey to cross the U.S. border and lead her family to safety during the Mexican Revolution"--

Twelve-year-old Marcel loves riding his bicycle, and dreams of competing in the Tour de France, but it is 1942 and German soldiers are everywhere, stopping him as he delivers bread from his parents' bakery around Aucoin-- then one day he discovers that it is not just bread he is delivering, and suddenly he finds himself in position of dangerous secrets about his parents and his new friend from Paris, Delphine.

While his human Elliot adjusts to his new home and stepfamily, Gizmo, an evil genius guinea pig, searches for a new evil lair where he can plot to take over the world, but Gizmo is constantly thwarted by Elliot's little stepsister Jasmine (who likes to play dress-up), Abuela (who may or may not like to eat cavies), and Wedgie (a Corgi superhero and Gizmo's nemesis).

"Thirteen-year-old Patricia, widely known as Sweet Pea, navigates her parents' unconventional divorce and finds herself in the unlikely role of her town's advice columnist"--

When Ellie McDoodle signs up to help with her school's production of The Wizard of Oz, she gets more than she bargained for as she helps paint sets, plan costumes, and cast the show, which leads to her first big fight with best friend Mo.