siblings

The Boxcar Children investigate when everything seems to go wrong for the Greenfield Museum as soon as the Museum displays a four-thousand-year-old ancient Egyptian mummy.

On a vacation to Padre Island, the Aldens help an endangered sea turtle and solve a mystery.

"The Mysterious Monsters hiding in the Mattigan's basement have discovered they have something in common. When clues about this link point to an island in Canada, one where a werewolf has recently been sighted, Maddie, Max, and Theo convince their dad it's time for one more mission. The kids are determined to help their friends uncover the truth about their pasts--but also to uncover the truth about their own"--Amazon.

"Maddie, Max, and Theo have come to the most haunted neighborhood in the most haunted city in America--and they're staying in the spooky Vampire House. While their father searches for evidence to prove its blood-sucker is fake, they set out on a search of their own through a city of the dead to a crumbling Voodoo shack. The Mattigan kids are on the case--but sometimes even the most clever plan can be a recipe for disaster"--Provided by publisher.

"A small town Oregon boy couldn't really have been possessed by a ghost. The kids are sure they'll be collecting a new Mysterious Monster for 'Motel Mattigan,' but sorting out the truth this time will force them to look inside themselves like they never have before"--OCLC.

"The Mattigan kids have solved the mystery of their monsters' history and their own, but then they learn there's an evil and mysterious creature coming for them"--Amazon.

"The Mattigan kids don't believe in things that go bump in the night. After all, their dad is famous for proving such things are impossible. But, when their long-lost Grandpa Joe shows up with his Mysterious Monsters journal, begging for help, the siblings find themselves drawn into a search for Bigfoot."--Amazon.

Amy and Dan find themselves in Vienna, where they search for clues while evading their enemies, and attempt to discover the truth about their famous ancestors, Wolfgang Amadeus Mozart and his sister Nannerl.

"Gracie loves snorkeling! She loves it so much, she convinces her parents to let her plan a family vacation to Roat?n, Honduras, where they can all snorkel together. She even makes a new friend there. Now, if only her irritating little brother would leave her alone, everything would be perfect. Then Gracie hurts her leg, and all her carefully made plans start to come apart. Worse still, she learns the reef itself is in serious danger. Gracie wants to help the reef . . . but she's just a kid. What can she do to make a difference? Fortunately, her new friend has a few ideas!"--Provided by publisher.

"War has come to the supernatural world, and Amari's two worst enemies are leading the charge. Elaine Harlowe has manipulated her way into becoming prime minister. . . . Meanwhile, Dylan Van Helsing, the newly crowned leader of the League of Magicians--and Amari's former partner--is after a destructive new power that would not only ensure the magicians' victory . . . it would make him invincible. With neither the Bureau nor the League safe for Amari, and her newly returned brother, Quinton, determined to keep her out of the fray, she and her friends decide to find a way to end the war on their own. So when they learn that the only way to stop Dylan is to find powerful magical inventions known as Wonders, they go after them. . . . Amari will have to decide just how much she's willing to sacrifice . . . because the Despicable Wonders will demand everything"--Provided by publisher.