This a book full of mystery and adventure. This is a book from the series of the thea stilton. It is an interesting and wonderful book. In this book Violet is taking art classes in Neatherlands and her father disappears magically. To solve this mystry the Thea Sisters,Collete,Paulina,Pamela,Nicky and Violet are on a wonderful adventure ....So everyone must read this brilliant book..

This book is one of the adventures book of Thea Stilton.Once violet takes an art class with her friend named as Jan.Jans father studied about the Tulips and the other species of it.When his father was in college had a task to make a new type of tulip.He had partner Iris with him to work on his project.Iris wanted to have the best project of her so she mixed the banned fertilizer in it.Which gave result to rare tulip called black tulip.This project was over but the flower didn't bloom.When they became big Jan's father noticed that the flower which was bloom was a rare species.When Iris understood that the flower had bloom she tried to get that flower by a improper way by kidnapping Jan's father for the flower on which the Thea Stilton worked hard to bring Jan's father and the Tulip safely as Jan's father wanted it to give to the whole world.