Viktor Frankl was born in Vienna in 1905 and was Professor of Neurology and Psychiatry at the University of Vienna Medical School. His wife, father, mother and brother all died in Nazi concentration camps, only he and his sister survived, but he never lost the qualities of compassion, loyalty, undaunted spirit and thirst for life (earning his pilot's licence aged 67). He died in Vienna in 1997.

Julia Donaldson is the author of some of the world's best-loved children's books, including modern classics The Gruffalo and The Gruffalo's Child, which together have sold over 17 million copies worldwide, and the hugely successful What the Ladybird Heard adventures. Julia also writes fiction, including the Princess Mirror-Belle books illustrated by Lydia Monks, as well as poems, plays and songs – and her brilliant live shows are always in demand. She was Children’s Laureate 2011–13 and has been honoured with a CBE for Services to Literature. Julia and her husband Malcolm divide their time between West Sussex and Edinburgh. Axel Scheffler is a star illustrator whose instantly recognizable, warm and witty illustrations have achieved worldwide acclaim and numerous awards. In addition to his picture books, Axel is the illustrator of wonderful novelty and gift books for Macmillan, such as the bestselling The Bedtime Bear, The Tickle Book and Mother Goose's Nursery Rhymes. He also illustrates the popular Pip and Posy series. Born in Hamburg, Axel now lives with his family in London.