Robert Zimmerman has released a book on the arrest of his son George who is on trial for the shooting death of 17-year-old Trayvon Martin. Zimmerman, a former neighborhood watch volunteer, is pleading not guilty to second-degree murder, claiming he shot Martin in self-defense.

"Florida v. Zimmerman: Uncovering the Malicious Prosecution of my Son, George" was released in digital format on Wednesday.

In the description of the book on the website it says “This book describes how and why my son, George Zimmerman, has been charged with the crime of murder.”

The digital book is priced at $3.99.