When a black egg and a white egg hatch, they discriminate against the spotted egg until it helps the new birds when they cannot help themselves.
- ISBN10 9871296002
- ISBN13 9789871296002
- Publish Date 1 April 2006
- Publish Status Out of Print
- Out of Print 25 May 2011
- Publish Country AR
- Imprint Unaluna
- Format Paperback (US Trade)
- Pages 24
- Language Spanish