You don’t need to carry books from shelf. Just install the QR Code Reader applications from Google Play & App Store:
Android Devices: https://goo.gl/RDsf7T
App Devices: https://goo.gl/oZRbSU
QR Code User Manual :
1: After downloading the QR Code reader application, scan the QR code for shelves or books at library.
2:Follow the link you received by QR coder reader to reach your result.
3- All results is automatically saved in QR Code reader History for quickly retrieve.
to visit the MSA Library:
http://central-library.msa.edu.eg/
Now you can use Smart Library Catalog from any smart phone by reading the Library QR Code.