Dragonquest is the second book in the Dragonriders of Pern series. It continues the stories of Lessa and F'lar, as well as that of other dragonriders of Pern. There are many disagreements between the modern day dragonriders and the old-timers who have come forward to help fight against thread. Dragonriders and holders alike are excited by the scientific equipment discovered in the old caverns of the holds and weyrs. For the first time the inhabitants of Pern are able to conceive of a world without deadly thread - now they just have to figure out if it really is possible.