This is a very good resource for Series 66 exam facts!  At http://www.examfacts.com they have an excellent study guide filled with basic exam facts for the Series 66 exam.  The book is also available at Amazon.com

Example Questions from the Exam Facts 66 Book:

Withdrawals from a Roth IRA treated for tax purposes in what way?

Withdrawals will be tax-free if the account is open for at least 5 years and is not considered an early withdrawal.

What are circumstances for early withdrawal without penalty is allowed for what reasons?

Death

Disability

Qualified higher education expenses

First-time home buyer ($10,000 limit)

ERISA gave the U.S. Government jurisdiction over what plans?

Private pension

What makes an employee eligible to contribute to an ERISA qualified plan?

Employees who are 21 years or older with one year of full-time service

What is the order of liquidation for a corporation at bankruptcy?

Unpaid workers, IRS, secured creditors, unsecured creditors, preferred, common.