The e-book of the novel 23 Angel Street can be found on various e-book platforms, such as Amazon's iPhone Store, Google Play Books, Apple Books, etc. You can search for "23 Angel Street" on the Amazon. You can also search by chapter name or author name and choose the format you want to download. On other platforms, such as Google Play Books, you need to register an account first and then search for the name of the novel or author to find the electronic version of the novel. I hope it will help!