NavBooks is a beautifully designed Audiobook player to listen to all of your offline Audiobooks in one place across multiple devices. Features -Automatically loads downloaded audiobooks from Overdrive and RBdigital -Works across Android for Mobile, Tablets, and Wear OS -Easy book matching from Google Play Books to find the correct information -Cover image searching within app -Material design with dynamic colors -Light, Dark, and Black themes with the ability to invert dynamic colors -Playback speed adjustment -Skip length adjustment -Sleep timer with automatic start time -Speech leveler feature -Relaxation noises to play with book -Bookmarks