The quick start guide is printed so small I cannot read it
As for email, which email app are you using? To delete email, you usually either have to mark the email by ticking boxes then tap on the trash icon (Yahoo!) or hold on one email and then continue tapping the rest then tap on delete icon to delete (Gmail). Hope this helps.
Hi Susan. To delete the list of calls made and received, view your call logs and press the menu button. Tap on Delete to delete specific calls logs or you can select all to delete them all at once.