This was purchased from an estate, and no book(s) or other materials are included, just the cover and the six cassette tapes shown.

 
IT IS IN "VERY GOOD" CONDITION, WITH NO CRACKS TO THE PLASTIC CLAMSHELL CASE (as pictured). 
 
The tapes were tested and play fine- it is a rare, vintage self-talk set which would be of help to multi-level / network marketers.
 
You will purchase the exact items in the photos.
 
BUY IT NOW for $49.99!!

Set will be carefully packaged, and placed into an envelope for shipment.

The original and undamaged tapes shown are guaranteed for 30 days. After this period, they will be considered to be exactly as described, and the sale is then final. NO PARTIAL REFUNDS. All items must be returned to obtain a refund. Shipping costs are not refundable.

A SPECIAL NOTE: If there is no "Best Offer" option on All Sorts Of Goods Store items, the price is firm. 

No need to e-mail with offers or inquiries about lowering the price.