Peter thinks baby sister Lena cries too much and takes too much of Mama's time until he learns to help take care of her.
- ISBN10 9129587786
- ISBN13 9789129587784
- Publish Date 28 April 1988 (first published 1 January 1981)
- Publish Status Out of Print
- Out of Print 8 November 2009
- Publish Country SE
- Imprint R & S Books
- Format Hardcover
- Pages 34
- Language English