We're sorry to hear you're not getting the verification code via email that you need to complete your purchase, or you've encountered some other issue with our verification code system.
You should be able to skip the verification code step altogether if you first sign in to an existing Leanpub account, or if xyou create a new account, and then you try a brand-new purchase attempt.
You can sign in to an existing account here:
If you need to set a new password to sign in, you can do that here.
And finally, if you don't already have a Leanpub account, you can create a new account here: