The Secrets of Droon, Volume 2 is an anthology of the Secrets of Doon Books 9-12.

A hidden door. A magical staircase. Discover the world of Droon! Somebody has robbed the Lumpies' village! And it can't be Lord Sparr - because he has mysteriously disappeared. The rumor is that a terrible beast is behind the crime. So Eric, Julie and Neal set off with Khan and Princess Keeah to find the creature. Instead they find a big surprise!

A hidden door. A magical staircase. Discover the world of Droon! There's no place like home! Eric and his friends have finally restored the Rainbow Stairs, but that was the easy part. Now Gethwing is loose in the Upper World, and the Moon Dragon is causing big trouble. Eric, Julie, and Neal have to protect their town, but they're up against mysterious creatures, strangely-behaving parents, and powerful magic. Can the kids stop Gethwing before he destroys the Upper World -- for good?

After a robbery in the Lampies' village, Eric, Julie, and Neal try to find the culprit, who is rumored to be a terrible beast.

A hidden door. A magical staircase. Discover the world of Droon! Magic is on the move... into the real world. As Eric and his friends venture beyond the jeweled door and down the dark stairway, they enter a whole new chapter in their Droon adventures. They enter the "Upper World" -- our world. In this exciting special edition, for the first time ever, the magical world of Droon is expanding into the real world. Wizards, goblins, and all kinds of magical mischief are in store -- and this time, it's not just a wonder of Droon. It's a reality.

A hidden door. A magical staircase. Discover the world of Droon! Zoom! It seems like all of Droon is competing in the Quest! And Princess Keeah wants to win the prize, since it might break the magic spell on her mother. But some people aren't playing fair. Can Eric, Neal, and Julie stop the other racers from stealing a victory?