RT Book, Whole DB /z-wcorg/ DS http://worldcat.org ID 001230579 LA English T1 The boy who was followed home A1 Mahy, Margaret., Kellogg, Steven., PB F. Watts PP New York YR 1975 SN 053102427X 9780531024270 0531028348 9780531028346 0803702868 9780803702868 AB A witch's pill is supposed to cure Robert of the hippopotami who daily follow him home from school--but there is one disadvantage to the treatment.