To purchase


My novel Natural Attraction, a comedy about a female naturalist in 1871 who must take the guise of a man is available as a print and eBook at Amazon, Barnes and Noble, Kobo, iBooks, Lybrary. Sold at the Readers’ World Bookstore in Holland, Michigan, Schuller’s Books and Music in Grand Rapids, Michigan (signed copies) ,The Spirit Shoppe in Pella, Iowa, Beaverdale Books in Des Moines, Iowa (signed copies). On-line link here (the Penner site: click on icon for selected site to purchase).

Or scan this link

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Natural Attraction

and here’s the Amazon link:

Natural Attraction with new cover

Now available on Google play.

Here’s the audiobook. 

Cleaner, Greener Laboratories for Analytical Chemistry, a lab manual that teaches chemical analysis methods and techniques without using harmful chemicals, is self published and available here:

I also have a lab manual for Inorganic chemistry. The labs are fun although not clean or green. Here’s the link:

My novel Mixed In was published by City Owl Press on March 7.


 or scan
Mixed in Qr code
Mixed in

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