Fatal Dose free today only!

[RussA]

I just joined today and wanted to get the word out quickly that I'm having a free promo day on Amazon today for the Kindle version of Fatal Dose, the third Cliff Knowles Mystery in my series of five.
Here's the Amazon link:

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The book should appeal not only to mystery lovers but also to those who enjoy medical sci-fi like Coma or The Andromeda Strain.

The description:
X-rays can kill cancer cells and save lives when administered properly. They can also kill people when things go wrong – a fact learned the hard way by retired FBI agent Cliff Knowles. Hired to unravel the cause of some mysterious overdoses, he gets too close to the truth and finds his own life on the line.

Inspired by actual cases he worked as an FBI agent in Silicon Valley, the author weaves an absorbing tale of greed, technology, and terrorism in this high-tech legal thriller. After reading Fatal Dose you’ll never look at an X-ray machine the same way.

Fatal Dose follows geocaching FBI agent Cliff Knowles in the third riveting installment of the popular Cliff Knowles Mysteries series. All the Cliff Knowles Mysteries are available on Kindle and are free for Kindle Unlimited members.