Privacy Notice

V1.2 | Last updated: 10th May 2023

World of Books Inc operates Ziffit US and its related mobile application, and World of Books US (collectively, the “Websites”).

Our head office address is Corporation Trust Centre, 1209 Orange Street, Wilmington, Delaware 19801 USA (company number 7263864).

Ziffit US provides users the opportunity to trade-in old books by purchasing such items and providing a pricing tool, pre-paid shipping, and payment in accordance with our Terms of Use (the “Services”). provides users the opportunity for users to quality used books at competitive prices.

This Privacy Notice explains how we may use any personal information that we collect from you when you use our ‘Websites’.

We are committed to protecting your privacy, and we fully respect and appreciate the importance of data security and privacy online. 

We collect your personal information through our websites or otherwise as described herein. If you have any questions about how we do this, you can contact us using the details provided at the end of this notice.

If you have a complaint about the usage of your information, please contact us using the details in the 'How to contact us' section.

Ziffit logo