"When Greg and the Musketeers return to Paris and find the city under siege, they leap into action to prevent King Louis from being overthrown and history from being changed forever"--
Thirteen-year-old Alcatraz Smedry and his companions seek Al's father and grandfather in the Great Library of Alexandria, where they face undead, soul-stealing wraiths called the Curators of Alexandria, and one of the Scrivener's Bones, a part-human, part-machine mercenary.
When a hero is needed to save the doomed kingdom of Mokia from the evil Librarians, thirteen-year-old Alcatraz Smedry, whose family talents include getting lost and breaking things, answers the call.
"When the Musketeers pursue the dangerous Michel Dinicoeur to Spain, they're ambushed at every turn, causing them to suspect that there may be a traitor within their own ranks"--