Lola learns about the Tooth Fairy’s friend, el Ratón, in another adventure celebrating her Guatemalan heritage! Lola is excited when Abuelita and Lola's cousin Luis come to visit from Guatemala. The fun doubles when Lola and Luis discover that they both have a wobbly tooth! Lola is looking forward to a treat from the Tooth Fairy, but Luis is worried. How will el Ratón, the Guatemalan mouse who brings money for lost teeth, find him in Texas? Lola and Luis brainstorm solutions to this problem, but el Ratón may have a surprise in store for them both! Readers will delight in meeting Lola, her family and friends in this charming chapter book from the Hola Lola series, focused on family, heritage and cultural exploration.