The Accident Book is a standard skin for the steam-item.
The Accident Book applies to the steam-item in Rust. Once you've crafted the base item at your workbench, you can apply this skin through your inventory.
You can reskin The Accident Book at a Repair Bench with no additional cost, just drag and apply. The painting preview shows your steam-item before and after the skin swap.
RustClash.com offers $0.00 for the The Accident Book while Steam Community Market prices the skin at $0.00.