Is there really a monster lurking in the waters of Riverdale Lake? Sheriff Williker to the rescue! Riverdale's Fall Festival is held every year by the lake. The townspeople and visitors from ALL over look forward to the festival. But this year, everyone is on edge because of rumors of a 'lake monster.' Is there a creepy creature lurking in the lake? Will the townspeople and visitors ever feel safe again to go fishing, swimming or picnicking? Will Sheriff Williker be able to solve the case of the 'lake monster' in time for Riverdale's Fall Festival? WHAT OTHERS ARE SAYING -- Kim Hansen's brilliant story-line combines with beautiful illustrations to bring vibrant life to the charming forest animal characters living in the fictional quaint town of Riverdale, Iowa. BOOK REVIEW BY READER'S FAVORITE: "This is a fun children's picture book. Children will become engaged and want to help Sheriff Williker uncover the mystery behind the lake monster. Solving this mystery was important to Sheriff Williker for several reasons, the main one being the Riverdale Fall Festival, and it will become important to your child as well. It was fun to not only read this story, but watch Sheriff Williker navigate the solving of the mystery. This book displays a great message for the young reader that things are not always as they seem and you can't believe everything that you hear. If you're looking for a lovely children's book that will keep your child entertained, add this book to your library." -- Vernita Naylor for Readers' Favorite