The Door in the MoonBook - 2015
"While Jake and Sarah are pulled through the Obsidian Mirror, landing in the violent, unpredictable time of the French Revolution, Oberon Venn must decide between staying mortal or losing his soul in the faerie realm"-- Provided by publisher.
Publisher: New York : Dial, 
Branch Call Number: Teen Fis
Characteristics: 349 pages ; 22 cm