Landman, Tanya Flotsam and Jetsam and the Grooof / Tanya Landman ; illustrated by Ruth Rivers. - London : Walker Books, 2014. - 95 p. : colour pictures ; 20 cm. ISBN: 9781406352177 Subjects--Topical Terms: English Education.--Children's literature.--Reading Books. Dewey Class. No.: 420 LAN/F