Thrill-Filled Undersea Rescue Mission! Take a bite out of this exciting story of little brothers, killer whales, and "tide-and-seek."<br />Gilbert wants to be the best big brother in the whole ocean, but little brothers can't always do what big brothers can. So when Gilbert's friend wants to go skating, he leaves little Finn alone on the swings. Is Gilbert being a good babysitter? Is he paying attention? Does he see the killer whale swimming closer? An action-packed chase ensues and the story offers children a chance to talk about responsibilities and siblings. Facts about sharks are included at the end of the book.