Muthoni, Susie. The hippo who couldn't stop crying. [electronic resource] / Pictures by Adrienne Moore.. — [Nairobi, : East African Pub. House,, 1972]. — [24] p. : col. illus. 15 x 21 cm. — (The Lioncub book,) 1. LCCN: 73983730 LC Class. No.: PZ10.3.M982 / Hi