- ISBN: 1596796758 (electronic bk.)
- ISBN: 9781596796751 (electronic bk.)
- ISBN: 9781617585449 (electronic bk.)
- ISBN: 1617585440 (electronic bk.)
- Physical Description: 1 online resource : color illustrations.
- Publisher: Edina, Minn. : SandCastle, 
- Copyright: ©2003
|Summary, etc.:|| Introduces, in brief text and illustrations, the use of the letter combination "ack" in such words as "snack," "track," "lack," and "quack."
|Source of Description Note:|| Description based on print version record.
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