Jackson finds a t-shirt unlike any other—one that makes him laugh uncontrollably every time he wears it! At first, the giggles embarrass him, but soon, his friends want to try on the t-shirt, and the chaos begins. From hilarious mishaps at the park to uncontrollable giggle fits at the amusement park, Jackson learns that laughter is one of the best parts of life. Filled with humor, fun, and silly antics, this book will have young readers giggling along with Jackson's wild adventures. Perfect for sparking a love of reading and encouraging laughter at every turn!