Nicky appears and disappears in a playful fashion, hiding in such places as inside his shirt and within a pile of toys.
- ISBN10 0395569362
- ISBN13 9780395569368
- Publish Date 31 December 1991 (first published 11 April 1991)
- Publish Status Out of Print
- Out of Print 21 June 2021
- Publish Country US
- Publisher Houghton Mifflin
- Imprint Houghton Mifflin (Trade)
- Format Hardcover
- Language English