What is "crash courses"

Usage examples of "crash courses".

After Leto had made his decision to attend, Thufir Hawat and several other Atreides protocol advisors had locked themselves with him in Castle meeting rooms to give him crash courses in diplomacy.

Id gone through both of their crash courses in espionage, and it was one of the things upon which they definitely agreed.

That was a birth control technique which had not been mentioned in her crash courses in Paris, but it was clear that modern methods would not arrive in the Five Lions Valley for many years yet, so traditional means would have to serve—.

A barrage of orders for crash courses had come in to the branch offices from something calling itself the Neo School.

While the Pony Express is defying deserts, savages and sidewinders, Tristero's giving its employees crash courses in Siouan and Athapascan dialects.