Лицо во мраке is an exciting detective novel for Android users. The app is developed by Publish Digital Books and is available for free. The book is part of the Detective Classics series and is written by Edgar Wallace. The story is about the challenges that law enforcement officers face while investigating a crime. The criminal sets traps at every step to confuse and intimidate the investigators, making it difficult for them to solve the case. The novel is gripping and keeps the reader engaged until the very end. The app is easy to use, and readers can customize the display settings to their liking.

The app is published by Digital Books, which aims to promote classic literature and support aspiring authors. The app's small size makes it easy to download, and it does not consume many resources on the user's device. The app does not send any SMS or collect any personal information from the user. If you enjoyed reading this book, please consider leaving a review. Digital Books has already released more than 270 books, and readers can find them on the publisher's website.