You are downloading the School Book XAP file v220.127.116.11 for Windows Phone. School Book is a paid and useful Productivity app: SchoolBook is the first real digital diary, which allows you to manage your schooling directly from the palm of your hand. Using the full ... You can now download the offline XAP file to install & try it.
Download Locations for School Book 18.104.22.168 XAP file
Important Notice: Now Due To Unspecified Limitations, You Can Not Use The Offline XAP File To Install It Any More.
To try to install it manually from an SD card, you should choose one of the server location above to get the offline School Book XAP file, move the file to your phone's SD card and then tap 'Install local apps' in the phone's App list.