In The Shadows by Chris Carter-Miller
Be the hero the world needs.
Free
In this adventure thriller, you are in the field during a time of fascism. Democracy has never been so fragile. It's up to you to do your worst to ensure the bad guys don't win. How? By following the basics in this simple field guide to basic sabotage. First drafted in 1944, this out-of-copyright manual shows what steps you can take to keep yourself and your country safe from the forces of evil.
The download link is only available for 48 hours, after which it will self destruct.
Should you or your forces encounter difficulties during your mission, the secretary will disavow all knowledge.