1. 01. English Non Fiction Scientists / by Hacker, Carlotta, Publication: Calgary : Weigl, 2000 . 48 p. : 27 cm. Date:2000 Availability: Copies available: (1), Actions:
2. 01. English Non Fiction Bravery / by Hacker, Carlotta, Publication: Markham, Ont. : Fitzhenry & Whiteside, 1989 . 64 p. : 23 cm. Date:1989 Availability: Copies available: (1), Actions: