Hi there! I understand you’re having trouble opening the Google Play Books app on your Android device. I’m here to help you get that sorted out.

To start, could you tell me if the app crashes immediately, shows a loading screen, or just doesn’t respond when you tap it? Also, have you tried anything already like restarting your device or updating the app?

Meanwhile, here’s a step-by-step way to troubleshoot the issue:

1. Restart your device: Sometimes a simple reboot can clear glitches.

2. Check Internet Connection: Make sure your device has a stable internet connection, either Wi-Fi or mobile data.

3. Update the Google Play Books app: Go to the Google Play Store and check if there's an update for the app. An outdated app might refuse to open.

4. Clear cache and app data:
- Go to Settings > Apps > Google Play Books.
- Tap Storage.
- Tap Clear Cache and then Clear Data. This will reset app data but won’t delete your purchased books.

5. Check your device date and time: Ensure your device’s date and time are set correctly, preferably on automatic. Incorrect date/time can cause access issues.

6. Reinstall the app: If the above steps don’t work:
- Uninstall Google Play Books.
- Restart your device.
- Reinstall the app from Google Play Store.

If none of these help, there might be a deeper software conflict or account-related issue we can explore next.

Would you like me to guide you through any of these steps, or have you already tried some of them?