Mysteries at Gloria Circus by Sophie de Mullenheim

Garrett, a nine-year-old orphan, is a juggler at Gloria Circus. With the help of his cousin, Grace, and their new friend, Jack, he is determined to find out who sends him notes, from city to city, with riddles to solve, and why this person seems to know so much about his parents. Readers will enjoy solving the mysteries along with Garrett, Grace, and Jack