Simon, Francesca. Horrid Henry's nits / Francesca Simon ; illustrated by Tony Ross. - London : Dolphin, 1998, c1997. - 96 p. : ill ; 20 cm. ISBN: 1858813530 LCCN: 2002391125 Nat. Bib. No.: GBA0-46051 LC Class. No.: PZ7.S604 / Hsg 1998 Dewey Class. No.: 823.914