Boo loves Toto - his constant companion - and Boo loves life! The more scared Toto is the bigger Boo gets, which is wonderful, isn't it? Well, not if you're Toto. Because Boo is Toto's worry, and like all worries, Boo can become TOO big. But one day Toto speaks to Boo, and everything changes. Because a Boo isn't a bad thing. In fact, our worries and our fears can make us brave and powerful.A funny, helpful and completely unique look at how to understand and work with big emotions. An uplifting and empowering book for all young children and their parents.From the award-winning and bestselling Gemma Merino, creator of The Crocodile Who Didn't Like Water - now sold in over 30 languages!