Welcome to Cloud Authoring Service for Universal Book (CAS-UB)

This site provides you with the CAS-UB book editing and production service on the cloud.

Only registered users can login to this site.

Visit the subscription site (http://www.cas-ub.com/en/common/pricing.html) to be a registered user.



Operation and Management of this site

The maintenance work takes place every Thursday from 18:00+0900 to 20:00+0900 (JST).

Since the operation sometimes becomes unstable during the maintenance period, it's preferable not to use the service within that period.

Thank you for your understanding on this matter.


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