Hallmark's My Grandpa and Me Recordable StoryScott Emmons (2010) Hardcover

To preserve your recording, be sure that your book remains in the locked position. Make sure you're reading in a well-lit area and the sensors aren't covered. If that doesn't work, try replacing the batteries. To replace the batteries, unscrew the compartment cover and insert new batteries. Remove the batteries before storing for an extended period of time. Store away from excessive heat and humidity. Requires: 3 AAA Batteries (included)