[UPDATE 9:59 AM ET]
The eBook web-reader issue has been resolved. Please email firstname.lastname@example.org if you are still experiencing issues. We apologize for any inconveniences.
[9:10 AM ET]
Some Big Ideas Math users are currently unable to access the web-reader version of the eBook. We are investigating the issue and will provide an update when available. We apologize for the inconvenience and thank you for your patience.