Three eraserheads that live with a boy in the land of pencils, paper, rulers, numbers, letters, and drawings become trapped in one of his pictures while trying to correct mistakes.
- ISBN10 8961701169
- ISBN13 9788961701167
- Publish Date 1 July 2010 (first published 27 April 2010)
- Publish Status Out of Print
- Out of Print 3 August 2021
- Imprint Bomul Changgo/Tsai Fong Books
- Format Hardcover
- Pages 40
- Language Korean