The following series here tells stories within the Dragonlance history.
This series goes back in history and details how Qualinost was founded and split from Silvanesti. This is a great series, if you can find it that is. It is currently out of print. Try Ebay or Amazon's Used Books Section. There are a few people selling their old copies.
In addition, Wizards of the Coast has released the books as electronic (PDF) downloads for about $5 each. Not cheap, but likely less expensive than e-Bay. We have both read the series more than once and would read it again. This is a must get! (Linked to the Ebook Purchase Site)
This series goes back in history and details how Thorbardin was founded and many historical conflicts that the dwarves have faced. This series, like the Elven Nations is currently out of print. Try Ebay or Amazon's Used Books Section. There are a few people selling their old copies.
Wizards will also release the Dwarven Nations as ESDs in November. Another series worth reading more than once. These Ebooks are not due to be released until November 31st 2001, but you can find them here.
Covenant of the Forge
Hammer and Axe
The Swordsheath Scroll
The books in the series recites stories about the races of Krynn.
All of the books in this series are excellent, but Matt must mention Land of the Minotaurs as being particularly good since he had just finished it recently.