"Travel to Ancient Greece with Jack and Annie as they meet Alexander the Great and help tame his wild stallion"--

When Merlin is weighed down by sorrows, Jack and Annie travel back to feudal Japan to learn one of the four secrets of happiness.

"World War II is raging across Europe and the Axis and Allied powers are in a stalemate. Dak, Sera, and Riq can tip the scales in the Allies' favor if they can pull off the most daring spy mission of all time. But even if they succeed, are they playing into the SQ's hands?" --Back cover.

"Jack and Annie search for the fourth secret of greatness for Merlin the Magician in Mexico City at the 1970 World Cup Games. They hope to learn something new from soccer player great, Pele"--

Polly's stay with her grandparents in Connecticut becomes an extraordinary experience as she encounters old friends and mysterious strangers and finds herself traveling back in time to play a crucial role in a prehistoric confrontation.

"When a mysterious Scotsman suddenly appears in the middle of the road, Klara thinks the biggest problem is whether she hit him with her car. But, as impossible as it sounds, Callum has stepped out of another time...Klara will soon learn that she is the last Pillar of Time...Callum believes he's fated to protect her at all costs...A dark force is hunting the Pillars to claim the power of the goddess--and Klara and Callum are the only two people standing...

"On a clear December morning in 1937, at the famous gold clock in Grand Central Terminal, Joe Reynolds, a hardworking railroad man from Queens, meets a vibrant young woman who seems mysteriously out of place. Nora Lansing is a Manhattan socialite whose flapper clothing, pearl earrings, and talk of the Roaring Twenties don't seem to match the bleak mood of Depression-era New York. Captivated by Nora from her first electric touch, Joe despairs when...

When Emily makes a wish on a magic stone, she gets a glimpse of what the future holds--and it's a disaster! She tries to make things right, but each trip through time takes Emily to a future where things turn out badly for either the humans of Brightport or the merpeople of Shiprock. Plastic pollutes the ocean, garbage overflows the landfills, and the two towns are no longer getting along. Emily realizes she can't save her hometown and the ocean alone,...

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.

Seventeen-year-old Hylee is mysteriously sucked back in time to the worst night of her life and must solve the mystery behind her brother Bubba's disappearance.