1D Official Book is an Android app developed by HarperCollins Publishers Ltd (THE NEWS BUILDING 1 LONDON BRIDGE STREET LONDON SE1 9GF).

1D Official Book first became available on 23 Sep 2014. It is estimated that 1D Official Book has been downloaded between 100000 and 500000 times from the Play Store.

1D Official Book 1.0.4.4 requires the following permissions:

Allows applications to access information about networks.

Allows applications to access information about Wi-Fi networks.

Required to be able to access the camera device.

Allows applications to open network sockets.

Allows an application to read from external storage.

Allows access to the vibrator.

Allows an application to write to external storage.