In this Mubu The Little Animal Doctor adventure, Mubu is told of ghosts at the ghost river! Mubu also encounters a big tiger while at the river alone. What did Mubu do to keep the tiger from making a Mubu snack? Are there really ghosts at the ghost river? Written by Peter Alexander and Illustrated beautifully, by Brazilian artist, Paulo Sergio. Based on the true life childhood adventures of Elephant Whisperer, Sangduen Lek Chailert. Mubu And the Ghost & The Tiger is based on one of many stories told to Peter Alexander by Lek during his many visits with her.