Friends Help Friends Extend Their Subscriptions!
The Classroom Astronomer Rewards program
Starting April 1, 2010, bring us a new annual subscriber and you get a 1-issue extension to your own subscription!  

To do this, make sure your colleague puts your name and email address in the Comments box when applying for their subscription.

When we receive the information and it matches our records, your subscription expiration issue number goes up by one.

Limitations:  you can only accumulate a maximum of four total issue extensions but as each issue is shipped, you can add one (or more) extensions to get back up to that four-issue maximum.

It takes TWO PDF new subscriptions to extend a print or combination subscription by one issue.  It does not work in reverse (a new print or combination subscription extends a PDF subscription by one issue only).

This program can be cancelled without notice.Puzzle Making

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