1. 03. English Easy Reading Hopper's treetop adventure / by Pfister, Marcus. Publication: New York : North-South Books, 1997 . 1 v. (unpaged) : 29 cm. Date:1997 Availability: Copies available: (2), Actions:
2. 03. English Easy Reading HOPPER by PFISTER, MARCUS Publication: NORTH-SOUTH BKS 1991 Date:1991 Availability: Copies available: (1), Actions:
3. 03. English Easy Reading Hopper's Easter surprise by Siegenthaler, Kathrin Publication: 1993. New York : , [24] p. : col. ill. ; 29 cm. | First published in Switzerland under the title Hoppel und der Osterhase. Availability: Copies available: (1), Actions: