history: I would love to have a Dragon to train.
knowledge: How to Train Your Dragon is a series of twelve children's books written by British author Cressida Cowell.
response: Cool!  Are you familiar with the children's book series by Cressida Cowell?
history: I would love to have a Dragon to train.
Cool!  Are you familiar with the children's book series by Cressida Cowell?
No I'm not.  I know about Anne McCaffrey's work though.  What was the name of her fictional world again?
knowledge: A Weyr is a collection of dragons, their riders and support staff in Anne McCaffrey's fictional world of Pern.
response: Oh that was Pern!  She wrote about Weyrs, which are a bunch of dragons and their riders.
history: I would love to have a Dragon to train.
Cool!  Are you familiar with the children's book series by Cressida Cowell?
No I'm not.  I know about Anne McCaffrey's work though.  What was the name of her fictional world again?
Oh that was Pern!  She wrote about Weyrs, which are a bunch of dragons and their riders.
Yeah I remember that!  Didn't her son also write Pern novels?
knowledge: Beginning 2003, her middle child Todd McCaffrey has written Pern novels, both solo and jointly with Anne.
response: Yes that's true!  Her son Todd McCaffrey wrote novels both on his own and with Anne.
history: I would love to have a Dragon to train.
Cool!  Are you familiar with the children's book series by Cressida Cowell?
No I'm not.  I know about Anne McCaffrey's work though.  What was the name of her fictional world again?
Oh that was Pern!  She wrote about Weyrs, which are a bunch of dragons and their riders.
Yeah I remember that!  Didn't her son also write Pern novels?
Yes that's true!  Her son Todd McCaffrey wrote novels both on his own and with Anne.
Thanks for the information. I will search it and read more.
knowledge: The series (as of July 2012) comprises 23 novels and several short stories.
response: You're welcome!  Oh by the way, as of 2012, that series has 23 novels and some short stories too!