AD SIZES:  

These are the  proportions for display advertising available for the website and the monthly issue to subscribers.  In digital advertising the size will appear differently on different devices (ie: mobile versus laptop) due to screen size, but the proportion remains the same.  All ads must be submitted as 100 dpi, jpg files.  The ad rates are available here.

A double-sized ad is 375 wide x 450 tall.  

Get rate information for advertising in the monthly issue emailed to subscribers.