Silvestre

Henry to the Rescue (Young Hippo Adventure S.)

By Silvestre, Ruth, Anderson, Julie

Tom (Hippo fiction)

By Silvestre, Ruth

A House in the Sunflowers: An English Family's Search for Their Dream House in France

By Silvestre, Ruth, Grater, Michael

Feuillets perdus du journal de Charles Darwin (miraculeusement) sauvés de l'oubli

By Silvestre, Denis