Lake monster mix-up

de Mary Labatt

"Sam and her best friends, ten-year-olds Jennie and Beth, are going on vacation. Sagawa Lake seems pretty dull at first. But when the girls find an old diary, Sam is quickly on the scent of a new mystery. What is glowing underwater? Why are there webbed footprints on the beach? Who knows the secret of Sagawa Lake?"--Page 4 of cover.