Yes, they are quite popular among mystery lovers. Anthony Boucher was a master of the mystery genre, and his works often feature complex plots, interesting characters, and clever twists. His ebooks allow a new generation of readers to discover his stories, and many people enjoy the convenience of reading his mystery novels in digital format.
You can try online ebook platforms like Amazon Kindle. They usually have a wide selection of mystery novels, including those by Anthony Boucher. Just search for his name in the Kindle store and you'll likely find his ebooks available for purchase or borrowing if you're a Kindle Unlimited member.
Mark Grayson isn't Asian. The creators of the comics have established his ethnicity as something other than Asian. This is a well-defined aspect of the character's portrayal.
Hard to say. To determine if it's a true story, we'd need to know more details about the origin and sources related to Jennifer Grayson. Sometimes stories are inspired by real life but have fictional elements added.
Mark Grayson isn't Asian in the comics. This aspect of his character has been consistently portrayed throughout the various comic storylines and depictions. There's no indication of him having Asian ethnicity.
No. Fanfiction that involves sexual content is not appropriate as it goes against ethical and moral standards in many cases. It also often violates the original intention of the character and can make many fans uncomfortable.