Batman and the missing punch line [DC super hero adventures]by Steele, Michael Anthony 

BTSB Prebound(Stone Arch, 2020)

BTSB #: 845116 Available

Dewey: FAges: 8-11   
AR: 4.4 MG Lexile: 660

Genres: Adventure Fiction

Subjects: Batman - (Fictional character) - Fiction Batwoman - (Fictional character) - Fiction Superheroes - Fiction Supervillains - Fiction Poisons - Fiction

Summary: Batman and his crime-fighting cousin, Batwoman, discover that the Joker toxin is being used, causing odd behavior in Gotham City.

Batwoman team-up trouble [Harley Quinn's Madcap Capers]by Sutton, Laurie S. 

BTSB Prebound(Stone Arch, 2023)

BTSB #: 866437 Available

Dewey: FAges: 7-11   
AR: 3.6 MG Lexile: 530

Genres: Adventure Fiction

Subjects: Harley Quinn - (Fictional character) - Fiction Batwoman - (Fictional character) - Fiction Joker - (Fictional character) - Fiction Superheroes - Fiction Supervillains - Fiction

Summary: Tired of getting no respect from anyone, particularly the Joker, Harley decides to switch sides, and asks Batwoman to teach her how to become a superhero.