You can shop at the Cheat Sheet Bookstore with confidence. We have partnered with
Paypal  to accept credit cards or Paypal account payments safely and securely.

Some books may also be available at Amazon and the links will take you to Amazon who will process your order.  Some paperbacks are available at CreateSpace which is a subsidiary of Amazon and just as safe.

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All products on this site are guaranteed 100%   If you are unhappy with your purchase for any reason, for a product bought from this site, return the product within 45 days and a refund will be mailed to you within 24 hours.  Amazon has it’s own awesome return policy.


We use the US Postal Service to ship all orders.  Everything is automatically shipped first class or priority.  Delivery anywhere in the United States takes usually 3-5 days.

If you need something faster, email us at

We will send it Express mail.  2 day deliver.  We will charge you for the exact amount.  Usually it will be 3-4 x priority cost.  If you want a product that says “free shipping” or “shipping included in price”, that is for priority or first class.  If you want it express we will charge you the exact amount.  If you insist on UPS or Fedex you will be charged the amount they charge plus $5.00 handling.  UPS and Fedex are both at least double the cost of Express mail and may take longer.

About Us

GLB Worldwide began business in 1989 in Santa Clara CA., Selling icd-9 books.  In 1996 the first web site went up:
In 1998 we moved to Kaneohe Hi, still selling icd-9 books.  

Our newer websites all began since 2008 include,,, and

The “mama” website, is mostly now for bulk sales to businesses and organization to buy quantities of books for resale or for promotions.

Retail sales of our products are through

All Vic Challenger novels and much related information is at