Author:
Ponti, James, author.
Edition Statement:First Aladdin paperback edition.
ImprintNew York : Aladdin, 2019.
Imprint2018
Description374 pages ; 20 cm.
Target AudienceGrades 4-7.
Note:Middle schoolers Florian and Margaret are determined to catch a spy who is implicating their FBI supervisor, Marcus Rivers, in a variety of crimes- even if they have to break into, and out of, the Library of Congress to do it.