(Found) A book I read about a year ago about a man who dies on an airplane crash but wakes up transported to another world with humans on it.

[Oneworldbook]

The humans have primitive technology and the man teaches them technology from our world like fun powder, cannons, farming techniques. It's a book for adults and its a series with 3 books in it I think.

 

[tachyon]

"Sword of the Bright Lady" by M.C. Planck has similar themes but there is also magic in the new world, and I don't think there was a plane crash.

 

[Extollager]

Welcome, Oneworldbook. I do like "fun powder" -- of course I understand "gunpowder." Can't help you with the book search.

 

[Danny McG]

Welcome, Oneworldbook. I do like "fun powder" -- of course I understand "gunpowder." Can't help you with the book search.

Aw, you've spoiled my search now, I've been browsing for fun powder (I kept getting Barry Chuckle for some reason)

 

[HareBrain]

I pictured the protagonist pushing cocaine onto cavemen.

 

[Hugh]

edited out. Made a suggestion, but had not paid attention to both title and post.

 

[Suzecog]

Cast under an Alien Sun by Olan Thorensen?

 

[Oneworldbook]

Cast under an Alien Sun by Olan Thorensen?

Yes!!!!!