Option 1: EPUB File on iPhone (best for Apple Books)

1. Tap the download link from your email or order confirmation. This initiates the process of saving your eBook to your device.
2. Choose "Download" if prompted. This saves the file locally so you can open it later.
3. Once downloaded, tap "Open in..." to choose an app to read the file with.
4. Select Books (Apple Books). This app is optimized for EPUB files and will offer the best reading experience.
5. The eBook will appear in your library automatically. You can now open and start reading.

Option 2: PDF File on iPhone

1. Tap the PDF download link. This allows your device to access the file.
2. Tap "Open in..." or "Share" to choose an app for viewing.
3. Select Books or a preferred PDF viewer (e.g., Adobe Acrobat Reader). These apps will maintain formatting and are easy to navigate.

Option 1: M4B File (recommended)

1. Download the file by tapping the M4B link. This will download the audiobook to your device.
2. The file will save to your Files app (check Downloads or iCloud Drive). You'll find it here when importing into a player.
3. Install BookPlayer (it's free) from the App Store. This free app is designed for audiobooks with chapter and resume support.
4. Open BookPlayer and tap + > Import Files. This brings your downloaded file into the app.
5. Browse to the M4B file and import it. BookPlayer will recognize the audiobook format and organize it accordingly.
6. You can now stream or download the file into BookPlayer, with progress tracking and chapter support. This allows you to resume where you left off.

Option 2: MP3 File

1. Tap the MP3 download link. This initiates the download to your device.
2. Save it to Files. This makes it available for playback through compatible apps.
3. Use BookPlayer or any MP3-compatible player (some may not track progress). BookPlayer is recommended for better tracking.

Option 1: EPUB File on Android

1. Tap the EPUB download link. This will download the file to your device.
2. Save the file to your device. Make sure you know where it's stored, such as Downloads.
3. Install an app like ReadEra, Lithium, or Moon+ Reader from the Play Store. These apps support EPUB and track your reading progress.
4. Open the app and browse for the downloaded EPUB. Select the file to begin reading.

Option 2: PDF File on Android

1. Tap the PDF download link. This starts the download.
2. Open with Google Drive PDF Viewer or Adobe Reader. These apps are pre-installed or easy to install, and handle PDFs well.

Option 1: M4B File

1. Tap the M4B download link. This saves the file to your phone.
2. Save the file to your phone. Confirm it's saved in a folder you can access.
3. Install Smart Audiobook Player or Listen Audiobook Player from the Play Store. These apps are optimized for audiobook formats.
4. Open the app, allow storage access, and browse to the M4B file. The app needs permission to see your files.
5. Add it to your library to listen with chapters and resume support. This gives a better listening experience than music players.

Option 2: MP3 File

1. Tap the MP3 link. This begins the download.
2. Open with the default music or file player. Your phone may prompt you to choose.
3. For better playback, import it into Smart Audiobook Player. This provides chapter and progress tracking.

Option 1: EPUB File on Mac

1. Click the EPUB link in your email/download page. This will begin the download.
2. The file will download to your Downloads folder. You can find it there.
3. Double-click the file to open it in Apple Books. The eBook will be imported automatically.

Option 2: PDF File on Mac

1. Click the PDF link to download. This saves the file to your Downloads folder.
2. Double-click the file to open in Preview or Apple Books. Both apps handle PDFs well and preserve layout.

Option 1: M4B File on a Mac

1. Click the M4B download link. This starts the file download.
2. Locate it in Downloads. You'll need this to open in your player.
3. Double-click it to open in Apple Books — it will automatically import into your library. This allows for seamless playback.

Option 2: MP3 File on a Mac

1. Click the MP3 link. This downloads the file.
2. Open in Music (iTunes) or drag into a player like VLC or Vox. These apps are compatible with MP3 and allow audio control.

Option 1: EPUB File on Windows PC

1. Click the EPUB download link. This begins the file download.
2. Download and install a free EPUB reader like Calibre, Adobe Digital Editions, or FBReader. These are designed to read EPUB files properly.
3. Open your EPUB file using the app. Use the reader to navigate and bookmark as you read.

Option 2: PDF File on Windows PC

1. Click the PDF link. This saves the file to your computer.
2. Open in Adobe Reader or your browser. Most browsers support built-in PDF viewing.

Option 1: M4B File

1. Click the M4B link. This downloads the file.
2. Install and open iTunes, VLC, or MusicBee (which support M4B). These programs allow for resume and chapter playback.
3. Drag the file into the player to add it to your library. Once imported, it will be playable like a standard audiobook.

Option 2: MP3 File on Windows PC

1. Click the MP3 link. This downloads the file to your computer.
2. Open it in any audio player (Windows Media Player, VLC, or any third-party audio player capable of playing MP3 files).