Now that you own the Geller Book, Version 5.0 (3 ring binder), every time we update the book you only have to buy the updates pages, no binder required.
We send you the newer pages, remove the old, in with the new! Shipping is less expensive as well. 2 books can be shipped out Priority Mail for about $7.
You must of course have the 3 ring binder, Vesrion 5 Geller's Blue Book.
If you need additional books, just order the "additional book" for $80. This includes the pages, binder, calculator and millimeter gauge.
So if you own the Version 5 - 3 ring binder order here the replacement pages for release 6.0 (September 2019) pages for only $60.00 per book, sent priority mail (1 or 2 sets of pages ship for a flat $8.00 USPS priority mail rate.)