In 1409, skinny, clumsy Roland, the ten-year-old son of a blacksmith, pursues his dream of becoming a knight.

Eight-year-old Jack and his younger sister Annie use the magic treehouse to travel back to the Middle Ages, where they explore a castle and are helped by a mysterious knight.

"Max struggles at knight school, but when evil in the form of bodkins threatens Byjovia, Max reunites the Midknights to save the kingdom"--

"In 1210 Scotland, when invading knights capture 12-year-old Drest's father, the Mad Wolf of the North, and her beloved brothers who make up his fearsome war-band, she sets off to rescue them from the castle prison, taking along a wounded knight as her captive to trade for her family's freedom"--

"We shall all, in the end, be led to where we belong. We shall all, in the end, find our way home. In a time of war, a mysterious child appears at the monastery of the Order of the Chronicles of Sorrowing. Gentle Brother Edik finds the girl, Beatryce, curled in a stall, wracked with fever, coated in dirt and blood, and holding fast to the ear of Answelica the goat. As the monk nurses Beatryce to health, he uncovers her dangerous secret, one that imperils...

Genre-jumping author Avi clocks in here with his 50th book, Crispin: The Cross of Lead, an action-packed historical narrative that follows the frantic flight of a 13-year-old peasant boy across 14th-century England. After being declared a "wolf's head" by his manor's corrupt steward for a crime he didn't commit (meaning that anyone can kill him like a common animal--and collect a reward), this timid boy has to flee a tiny village that's the only...