The CURLYTOPS on Star Island #2

Ted, Janet and Trouble are in for another summer
adventure. This time, the children accompanied by their mother and Grandpa Martin, camp out on Grandpa Martin’s Star island. Intrigued by a mysterious blue light on the island, Ted and Jan set out to explore their surroundings. Trouble lives up to his name and causes some mischief. The children and causes some mischief. The children come across a hidden cave and even meet a stranger, but will they discover the source of the mysterious blue light?