"Utterly brainy conundrums and puzzles" is a hardcover book published by Lagoon in 2017. Filled with puzzles and trivia challenges, this book is perfect for children and young adults looking to test their problem-solving skills. Presented in English, this book is designed to engage and entertain readers with a variety of brain-teasing activities. Whether you're looking to pass the time or challenge your friends, this book offers plenty of opportunities to have fun and exercise your mind. The app for this book has been disabled but all the answers for the quiz questions are available in a sealed envelope  in the rear of the book.