Adam Guillain & Charlotte Guillain 
Reading Planet — Monster Mountain — Purple: Comet Street Kids [EPUB ebook] 

Comet Street Kids reading books follow the adventures of Rav, Asha, Tess and Finn, four of the residents of Comet Street. There are 72 exciting stories in the series that children won’t be able to put down. Finn and Rav are transported from the Monster Maze ride at the theme park to a monster-filled mountain! The boys meet many different monsters on the mountain … and discover that they are all scared of each other! Can Finn an Rav help them all to make friends?Reading age: 6-7 years