Madeline and the other orphans of the vine-covered house in Paris spend Easter at the White House visiting with the President's daughter.

When Ms. Information kidnaps the President's daughter, it is up to twelve-year-old Ruby, also known as Pufferfish, to use her super-nanobyte-enhanced allergies in leading the NERDS' investigation.

"For his second mission with Pandora, Linc Baker must go deep undercover in Washington, DC, using American spy history to catch a government mole bent on taking out the president"--

When eleven-year-old KayKay Granger learns that the White House is haunted and uses that knowledge to play a prank on her family, she lands in big trouble with her mother, the United States President.

Seven-year-old Tessa and ten-year-old Cammie, the first female president's daughters, investigate when gold is discovered on the White House grounds and Tessa's piggy bank goes missing.

With the help of their rambunctious dog, Hooligan, seven-year-old Tessa and ten-year-old Cammie, daughters of the first female president, investigate when Dorothy's ruby slippers vanish while on loan to the White House.

Abe Lincoln at last!: The magic tree house whisks Jack and Annie to Washington D.C. in the 1860s where they meet Abraham Lincoln and collect a feather that will help break a magic spell. Dogs in the dead of night: Jack and Annie travel to a monastery in the Swiss Alps where, with the help of St. Bernard dogs and magic, they seek the second of four special objects necessary to break the spell on the wizard Merlin's beloved penguin, Penny.

Eight years ago, Addie Webster was the victim of the most notorious kidnapping of the decade. Addie vanished-and her high-profile parents were forced to move on. Mark Webster is now president of the United States, fighting to keep the Oval Office after a tumultuous first term. Then the unthinkable happens: the president's daughter resurfaces. Addie is brought back into her family's fold... but who is this sixteen-year-old girl with a quiet, burning...

Seven-year-old Tessa and ten-year-old Cammie, the first female president's daughters, investigate when a diamond goes missing from the collar of their very rambunctious dog.