You don't need to sign up or sign if you just want to browse the lists. If you do sign up, we might make it easier/better for you ...
You will be asked to provide:
You only need to verify your email address if you want to register as an author.
Check your 'junk' mail... it might be there. Still a problem? Please let us know and we'll see what we can do.
You can also connect with your social network accounts:
No. Indie Book Discovery accesses Amazon data and simplifies finding books on Amazon, but there is no need to have an Amazon account (or connect your Amazon account if you have one).