First on the list of recommendations:

The Truth About Muhammad: Founder of the World's Most Intolerant Religion  by Robert Spencer

Other books that should be read in order of interest by Robert Spencer:

Stealth Jihad: How Radical Islam is Subverting America without Guns or Bombs

The Complete Infidel's Guide to the Koran       The Politically Incorrect Guide to Islam       What Americans Need To Know About Jihad    

The Post-American Presidency: The Obama Administration's War on America*       Islam: What the West Needs to Know

*Authored by Robert Spencer, Pamela Geller and John Bolton

Many more are available from Mr Spencer but those listed will give you guidance.

Pamela Geller is the next author recommended:

Stop the Islamization of America: A Practical Guide to the Resistance

Other terrific books that can be helpful. Do a little research and find the one that targets your interest.

Joel Richardson and Susan Crimp: Why We Left Islam: Former Muslims Speak Out

Ayaan Hirsi Ali:  Infidel

Geert Wilders: Marked for Death: Islam's War Against the West and Me   

Sam Harris: The End of Faith: Religion, Terror, and the Future of Reason

Wayne Kopping: Obsession: Radical Islam's War Against the West

The one thing I have learned both from reading and from personal interaction with former Muslims and those who are active Muslims is that INFORMATION is something they do NOT want you to have. It is essential that we arm ourselves with knowledge and resist this demonic attempt to take over America and force us to live their oppressive and brutal ideology.