After Arthur calls Francine a marshmallow, she refuses to speak to him. Then Mr Ratburn pairs them up for a homework project. They reluctantly go to the library for research - and find themselves locked in once the library closes.
Will Arthur and Francine set aside their differences and work together to find a way out?
In chapter-book format, for children who are ready to read on their own, this suspenseful adventure will surely be a hit among Arthur fans.
- ISBN10 0316133620
- ISBN13 9780316133623
- Publish Date 19 April 2012 (first published 1 July 1999)
- Publish Status Out of Print
- Out of Print 6 August 2021
- Publish Country US
- Publisher Little, Brown & Company
- Imprint Little, Brown Young Readers
- Format Paperback (B-Format (198x129 mm))
- Pages 64
- Language English