unisol puzzlesKey90

The challenging logic puzzle for enthusiasts everywhere
logic puzzle

The Key90 puzzle collection

- 100 new puzzles - one per page with plenty of room to make notes
- full instructions and helpful hints to get you started
- and the answers

There are several options for buying this collection of unique puzzles:

  • Online orders
    • buy the electronic PDF book and receive your copy by email
    • buy and download the electronic PDF book immediately
  • Postal orders
    • send us a cheque and your email address and we'll send the PDF to you
    • send us a cheque or money order and we'll postal a printed book to you

Receive the ebook by email

printed pages Using your credit card for A$12

Click here to purchase the ebook online. You will be transferred to Kagi, the billing entity for Australian currency sales.

You'll receive your copy via email within 24 hours.

 

Buy and download the ebook instantly

printed pagesUsing your credit card for US$10
(The button will transfer you to a secure page at the Verotel site.)

When you click the button above, you'll be transferred to Verotel, our billing entity for the download of the ebook. Verotel uses a site called "TicketsClub" to manage access to the download area of the Key90 site.

Once you have paid for the ebook (a one-time payment), you'll be given a user ID and password. These will give you 7 days' access to the Key90 download area. You will enter this download area via the TicketsClub site. Once you have paid for the ebook, click here to enter the download area.

 

Mail a cheque for the ebook

printed pages We'll email the PDF to you

Send a cheque drawn on an Australian bank or an international money order for A$12, include your name and email address and we'll email the ebook to you. (Please send your cheque or money order to: Lawrence Gould PO Box 61, Mount Victoria NSW 2786 Australia)

 

Mail a cheque for the printed book

printed pages We'll post the printed book to you

Send a cheque drawn on an Australian bank or an international money order for A$12, include your name and postal address and we'll post the book to you. (Please send your cheque or money order to: Lawrence Gould PO Box 61, Mount Victoria NSW 2786 Australia)

 

If you experience any problems, please email lawrence@key90.com

 

unisol puzzlesKEY90: the unique puzzle with one solution
logic puzzle

"The appeal of a KEY 90 puzzle is the feeling of achievement, of triumph on arriving at its solution."

© 1982 to 2007 Lawrence Gould puzle teaser Mail: PO Box 61, Mt Victoria NSW 2786 Australia
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