While Princess Millie and her dragon fiancé prepare for their wedding, the entire royal family of Greater Greensward teams up to find Millie's baby brother, who has been kidnapped and turned into a frog.

Although a princess, Millie cannot keep herself from turning unexpectedly into a dragon, so she ventures off to the Frozen North to find the Blue Witch, who she hopes will help her learn to control her dragon magic.

"In the days of yore, he flew the skies and scorched angry mobs--now he hides from swamp tour boats and rises only with the greatest reluctance from his Laz-Z-Boy recliner. Laying low in the bayou, this once-magnificent fire breather has been reduced to lighting Marlboros with nose sparks, swilling Absolut in a Flashdance T-shirt, and binging Netflix in a fishing shack. For centuries, he struck fear in hearts far and wide as Wyvern, Lord Highfire...

Reluctant hero Hiccup Horrendous Haddock III must rescue his best friend, Fishlegs, from the deadly disease Vorpentitis. The only cure is rare and almost impossible to find ... a potato. But where will Hiccup find such a thing?

When his best friend Fishlegs is stricken with Vorpentitis, Hiccup Horrendous Haddock III must outwit Sharkworms, Doomfangs, and Hooligans to find a potato--the rare cure for this deadly disease.

Queen Cimorene sends her sixteen-year-old son, Daystar, into the Enchanted Forest with the only weapon that can combat an evil wizard's magic in an effort to restore the balance of power in the kingdom.

When Suki the salamander--the new foreign exchange student--is being stalked by ninja frogs, Danny, Wendell the iguana, and Suki travel to Great-grandfather Dragonbreath's home in mythical Japan to find a solution for the problem.

Danny Dragonbreath and his best friend Wendell thought the hot dog from the school cafeteria looked a little, off. Then things got weird when the hot dog bit Wendell, then Wendell started to sprout back hair. Could Wendell be morphing into a were-wiener? And unless he and Danny can slay the alpha-wurst, the whole school could be infected.

Flames from the Red Dragon Thermatrixxitalicus who lives on the mountain are setting Village Town on fire, but when nine-year-old knights Thud and Blunder march up the mountain to slay the beast, what they find is a dragon with a very bad cold who cannot help sneezing flames of fire.

Odo is the seventh son of the village miller and he just wants to get away from work for awhile, Eleanor's mother was a soldier, and she yearns for adventure, but it is Odo who finds the magic talking sword named Biter, and thereby instantly becomes a knight--and together they set out on a quest (somewhat reluctantly on Odo's part) to save their kingdom from threats both human and dragon.