Those icky sticky smelly cavity-causing but-- invisible germs / written by Judith Rice ; illustrated by Julie Stricklin ; photographs by Petronella J. Ytsma = Algunos sucios pegajosos olorosos causantes de caries pero-- invisibles germenes / escrito por Judith Rice ; ilustraciones de Julie Stricklin ; fotos de Petronella J. Ytsma.
Imprint
St. Paul, Minn. : Redleaf Press ; Beltsvill, Md. : Distributed by Gryphon House, c1997.