Penny Dale is an internationally-known, best-selling children's book artist and author and has sold more than 4 million books, with editions in over 20 languages. Her much-loved picture book Ten in the Bed sold over 1 million copies worldwide. Her other titles have also met with great success and include Wake Up My B!, which was commended for the Kate Greenaway Medal 1988 and Rosie's Babies (written by Martin Waddell), which won the Best Book for Babies award and was also shortlisted for the Kate Greenaway Medal in 1990.