A space expert and a geology expert take readers on an out-of-this-world adventure to the moon, where they must navigate the dangerous terrain to clear up space debris before it can interfere with a lunar mission.

Chronicles the first Vesper attack on the alterpiece in the 1600s, then moves to World War II and saving it from the Nazis, then Grace Cahill appears on her final mission.

Carbon dioxide is out of control on Earth, and the fate of humankind rests in the paws of four experimental, untested Animal Astronauts (AlphaWolf, SmartHawk, LaserShark, and StinkBug) who are seeking another habitable planet; first destination is the Plant Planet which at first looks perfect, except that the abundant plant life can think for itself--and it thinks that it really does not like the AstroNuts.

When a legendary sea monster starts making waves in the Sea of Wrenly, Prince Lucas and his friend Clara travel to the Island of Primlox seeking information that might help them calm the beast.

Eight-year-old Lucas, Prince of Wrenly, is eager to explore and Clara, daughter of the queen's seamstress, knows the kingdom well, so they team up to find a lost jewel and visit all of the land's main attractions as they search.

Pinmei's gentle, loving grandmother always has the most exciting tales for her granddaughter and the other villagers. However, the peace is shattered one night when soldiers of the Emperor arrive and kidnap the storyteller. Everyone knows that the Emperor wants something called the Luminous Stone That Lights the Night. Determined to have her grandmother returned, Pinmei embarks on a journey to find the Luminous Stone alongside her friend Yishan, a...

When the Vespers continue their abductions and cross a line by kidnapping Atticus, an eleven-year-old non-Cahill civilian and Dan's only friend, Dan and Amy confront their biggest challenge ever in order to keep Atticus alive.

With their honor restored, Hal and his fellow Herons leave Skandia again on a new mission--to track down and stop Hal's nemesis, Tursgud, a bullying youth-turned vicious pirate and slave trader.

Christopher Rowe is shipwrecked in Devonshire, where children are disappearing and a ghost is suspected, but even Tom and Sally's arrival may not cure his amnesia in time to help.

Things have been better for Callum Hunt since the evil Constantine Madden was "officially" destroyed, even his relations with his father have improved, so he is happy to get back to the Magisterium for his Bronze Year to continue his magical studies--but when one of the students is murdered, Call and his friends, Tamara and Aaron, must track down the killer, without revealing the fact that Call is Madden reborn.