The first is funny, the second is serious and the third is somewhere between the two...

Arrogant dragons who seriously annoy their ladies-of-choice... Who knew? This series of Shelley Laurenston's is frequently fall out of your chair funny...

Correct order is not extremely important, but you will be missing some of the subplots if you read them out of order. Of course, that gives you an excuse to read them again...

The Dragon Kin series

Everlasting Bad Boys Anthology
CAN'T GET ENOUGH written under the name of Shelly Laurenston
Ailean the Wicked & Shalin the Innocent - never underestimate an annoyed dragoness [it can be fatal...:]

Dragons Actually written under the name G.A. Aiken
You can guess a dragon named Fearghus the Destroyer and a human princess/leader of the Rebellion named Annwyl the Bloody would have a lot to talk about...

About A Dragon written under the name G.A. Aiken
Even witches have bad days, but being rescued by an extremely arrogant dragon from being hanged/burned? Definitely a new low... [This is a re-release of The Distressing Damsel.:]

What a Dragon Should Know is listed for a September 2009 release on her site.