You are cordially invited to attend the grand opening of Sinclair's department store! Enter a world of bonbons, hats, perfumes and mysteries around every corner. Wonder at the daring theft of the priceless Clockwork Sparrow! Tremble as the most dastardly criminals in London enact their wicked plans! Gasp as our bold heroines, Miss Sophie Taylor and Miss Lilian Rose, crack codes, devour iced buns and vow to bring the villains to justice....

For 12-year-old Emily, the best thing about moving to San Francisco is that it's the home city of her literary idol: Garrison Griswold, book publisher and creator of the online sensation Book Scavenger (a game where books are hidden in cities all over the country and clues to find them are revealed through puzzles). Upon her arrival, however, Emily learns that Griswold has been attacked and is now in a coma, and no one knows anything about the epic new game he had been poised to launch.

Charlie Thorne is a genius. Charlie Thorne is a renegade. Charlie Thorne isn’t going down without a fight. After tracking down incredible discoveries by Einstein and Darwin, Charlie is back. This time, the great ruler Cleopatra has left behind an extremely valuable and powerful treasure, its location encoded on an ancient stone tablet.

The Vanderbeekers have always lived in the brownstone on 141st Street. It's practically another member of the family. So when their reclusive, curmudgeonly landlord decides not to renew their lease, the five siblings have 11 days to do whatever it takes to stay in their beloved home and convince the dreaded Beiderman just how wonderful they are. And all is fair in love and war when it comes to keeping their home. A modern classic in the making reminiscent of the Penderwicks series.

Edinburgh, 1911: When Maud McIntyre and her lady’s maid, Daisy, form a detective agency, they never dream their first case will take place at a glamorous house in the Scottish Highlands. But when the duchess of Duddingston, concerned that a notorious jewelry thief will target her lavish weekend party, employs Maud to go undercover as a guest to find the culprit, the agency has its first case to solve....

With the depression bearing down on her family, there isn't much that Cassie Logan can count on anymore. But there is one thing that hasn't changed - the whispering trees outside her window. Cassie's trees, which have stood for centuries, are a great source of comfort to her. But they are also worth a lot of money. With Cassie's daddy gone to lay tracks for the railroad, it seems like no one can stop Mr. Andersen from forcing Big Ma to sell their valuable trees. How can Cassie sit by and watch them disappear?

Sara Martinez is a hacker. She recently broke into the New York City foster care system to expose her foster parents as cheats and lawbreakers. However, instead of being hailed as a hero, Sara finds herself facing years in a juvenile detention facility and banned from using computers for the same stretch of time. Enter Mother, a British spy who not only gets Sara released from jail but also offers her a chance to make a home for herself within a secret MI5 agency. Operating out of a base in Scotland, the City Spies are five kids from various parts of the world.

London, 1940. Bombs fall and Josie Banks’ world crumbles around her. Her overbearing husband, Stan, is unreachable, called to service. Her home, a ruin of rubble and ash. Josie’s beloved tearoom boss has been killed, and Josie herself is injured, with nothing left and nowhere to go. Evacuated to the English countryside, Josie ends up at the estate of the aristocratic Miss Harcourt, a reluctant host to the survivors of the Blitz. Now a threat looms larger than anyone imagined. And a dangerous secret is about to upend Josie’s life again.

1940, England: Evelyne Redfern, known as “The Parisian Orphan” as a child, is working on the line at a munitions factory in wartime London. When Mr. Fletcher, one of her father’s old friends, spots Evelyne on a night out, Evelyne finds herself plunged into the world of Prime Minister Winston Churchill’s cabinet war rooms. However, shortly after she settles into her new role as a secretary, one of the girls at work is murdered, and Evelyne must use all of her amateur sleuthing expertise to find the killer.

"Are you a gifted child looking for special opportunities?" Dozens of children respond to this peculiar ad in the newspaper and are then put through a series of mind-bending tests, which readers take along with them. Only four children—two boys and two girls—succeed. Their challenge: to go on a secret mission that only the most intelligent and inventive children could complete. To accomplish it they will have to go undercover at the Learning Institute for the Very Enlightened, where the only rule is that there are no rules.

Caroline Grant is struggling to accept the end of her marriage when she receives an unexpected bequest. Her beloved great-aunt Lettie leaves her a sketchbook, three keys, and a final whisper...Venice. Caroline’s quest: to scatter Juliet “Lettie” Browning’s ashes in the city she loved and to unlock the mysteries stored away for more than 60 years.

Londoner Madeleine Grant is studying at the Sorbonne in Paris when she marries charismatic French journalist Giles Martin. As they raise their son, Olivier, they hold on to a tenuous promise for the future. Until the thunder of war sets off alarms in France. Staying behind to join the resistance, Giles sends Madeleine and Olivier to the relative safety of England, where Madeleine secures a job teaching French at a secondary school. Yet nowhere is safe. After a devastating twist of fate resulting in the loss of her son, Madeleine accepts a request from the ministry to aid in the war effort.

New York City, 1919. Lillie Mead mourns the love she lost in the war. But when a wealthy British friend offers her a reporting job across the pond, she hopes accepting will help her rebuild her life. She barely has time to unpack before she’s assigned the scoop of a poisoned socialite’s death. As the clues take a turn for the scandalous, Lillie unearths shocking skeletons in the victim’s closet. But she never expected the threads of the beloved woman’s life to weave with hers. Can Lillie expose the truth before her own death makes the front page?

New York, 1937: When estranged sisters Clara and Madeleine Sommers learn their grandmother is dying, they agree to fulfill her last wish: to travel across Europe - together. They are to deliver three letters, in which Violet will say good-bye to those she hasn’t seen since traveling to Europe 40 years earlier. Clara, ever-dutiful, sees the trip as an inconvenient detour before her wedding to millionaire Charles Hancock, but it’s also a chance to embrace her love of art. Budding journalist Madeleine relishes the opportunity to develop her ambitions....

Louis Comfort Tiffany, famous for his stained-glass windows, is planning a unique installation at the Paris World’s Fair, the largest in history. At their fifth-floor studio on Fourth Avenue, the artists of the Women’s Division of the Tiffany Glass Company are already working longer shifts to finish the pieces that Tiffany hopes will prove that he is the world’s finest artist in glass. Known as the “Tiffany Girls,” these women are responsible for much of the design and construction of Tiffany’s extraordinary glassworks, but none receive credit.