Do Leprechauns really exist? What kinds of sneaky tricks do Leprechauns play on humans if they are real? Read about Berti, a doubtful boy, whose mom believes a mischievous, and unique Leprechaun lives in her house and is responsible for all the things that go wrong. Will Berti be able to disprove his mother's belief and the popular Irish legend? Open the book and follow Berti on an adventure to discover why his mother is convinced these tricksters exist or if Leprechauns are just a myth. Will Berti's journey be as he expects or will he discover something even stranger than ever imagined.