Lenny Sims

• N.A.D.A. Consumer Antique, Classic, and Special Interest Motorcycle Appraisal Guide 2001
• N.A.D.A. Consumer Motorcycle, Snowmobile, ATV, & Personal Watercraft Appraisal Guide- 2000 Retail Edition
• N.A.D.A. Consumer Motorcycle/ATV/Snowmobile/Personal Watercraft Appraisal
• Nada Recreation Vehicle Appraisal Guide, 1998