Most Popular Books by Kathleen Duey

When a T. rex invades the present day through a time portal, the Time Soldiers kids struggle to keep the raging dinosaur from harming anyone.

When her beloved Moonsilver, the unicorn, is nearly killed by a hunter''s arrow, Heart sneaks back into her village to get help from the healer, Ruth Oakes. Danger awaits and Heart must flee with Ruth''s gift-a silver thread-to protect her and Moonsilver.

In alternate chapters, Sadima travels from her farm home to the city and becomes assistant to a heartless man who is trying to restore knowledge of magic to the world, and a group of boys fights to survive in the academy that has resulted from his efforts.

A year after their previous trip, the Time Soldiers enter the portal again and are transported to a treasure-filled cave, where their attempt to rescue a girl from pirates gets them in big trouble.

Coming closer with each step to solving the mystery of the glowing green stones scattered across time, the Time Soldiers face the twisting passages of an Egyptian pyramid, a boy pharaoh who wants to keep them prisoner, and a mummy that guards the way home.

Heart, a lonely young girl finds companionship and purpose when she discovers a unicorn in the forest and tries to protect the magical animal.

It has been a long, hard winter, and the Gypsies are glad to be leaving Lord Levin''s mountains for the sunny plains of Lord Kaybale''s lands. But that means time is running out for Heart. The old stories say that Castle Avamir is higher than the clouds, deep in a valley, under the stars, and over the moon. It makes no sense -- but if Heart can''t solve the riddle, she might never find a safe haven for her beloved unicorns.

Heart is convinced that the old man from Castle Avamir can help her find her family, but the old man has been taken prisoner by Lord Dunraven.

It’s 1865 and the war is over, but the hardship and suffering have not ended for Emma, whose mother is dead and father is missing. With her brother and sister, Emma boards the Sultana, a paddle wheel steamboat, hoping to find refuge in St. Louis with relatives. After Yankee soldiers returning north from Confederate prisons are crowded aboard the boat, disaster shatters Emma’s hopes. Fighting for her life in the flooded Mississippi, Emma discovers courage she did not know she possessed.

Faerie princess Alida and Gavin, the human boy who helped her escape from Lord Dunraven’s castle, are desperate to find Alida’s family, now living in a hidden place where the banished faerie community has resettled. Alida and Gavin’s friendship grows stronger as they face cold and rain and the constant threat of Lord Dunraven’s guards. And now that Alida’s escape has put the fragile peace between Lord Dunraven and the faeries in jeopardy, will her family welcome her?

Orphaned at age six and taken in by a heartless couple, nine-year-old Katie Rose spends her days doing chores and dreaming of going west to find her Uncle Jack. Then Mr. Stevens brings home an unbroken Mustang, and Katie''s world changes. Katie is drawn to the horse''s wildness, and he seems to sense her need for companionship. So when Katie learns that the Stevenses plan to join the expansion West&150without her or the Mustang&150she makes a desperate decision to go on her own. And she will not leave the Mustang behind.

Joined by Hiram the farmhand, Katie begins the journey west. At first, she is unsure if the Mustang will follow, but much to her relief, he seems to trust her. Soon, Katie and Hiram meet up with a large family who invite them to join their caravan. For the first time, it seems as though they might really make it to Oregon. But then tragedy strikes, and Katie finds herself having to choose between parting ways with Hiram, or abandoning her dreams of going west&150and giving up on the chance to return the Mustang to his homeland.

Brendan, a hard-working orphan who dreams of rising out of poverty, and Dai Yue, a Chinese immigrant facing an arranged marriage to an older man, find unexpected friendship during the San Francisco earthquake of 1906.

The fourth book in the Hoofbeats series focusing on Katie! With trepidation, Katie continues Westward with the Kylers. The mountainous terrain makes for difficult traveling, and they arrive in Oregon shortly before the winter snows hit. While the Kylers and the others begin the search for land, Katie''s worst fears are confirmed. Her uncle is not there. Then she realizes that she has brought the Mustang home, and she cannot keep him with her anymore. Left with no family and without the Mustang to rely on, Katie must find her own way...

Two friends struggle to survive the treacherous journey across the snake- and alligator-infested Louisiana bayou in the seventh book in the Survivors series. Bayou Teche, 1851. No one in Lily LeGrand’s Cajun community is willing to help search for Paul Courville, who is missing in the bayou along with his mean-spirited older brothers, William and Mark. Why should they? Paul’s wealthy plantation-owner father has made no secret of his disdain for Cajuns. But Paul has always been kind to Lily, defending her against his brothers’ merciless taunts and humiliating pranks—and Lily refuses to turn her back on him when his life is in danger. On her own in the maze of the dangerous bayou, Lily knows she has more to fear than her father’s wrath. Her treacherous journey will test both her knowledge of the swamp and her courage. Can she find Paul before it’s too late?

When twelve-year-old Maggie attempts to rescue Hadyn during a sudden blizzard in the Colorado mountains in 1886, both cousins change their minds about each other.

Heart must find her family and a safe haven for the unicorns before Dunraven''s men find her.

A brother and sister struggle to survive the rigors of Death Valley after their wagon breaks an axle and they set out alone to find help for their stranded family and injured father.

A rushing river with rapidly rising waters threatens the lives—and life savings—of two resourceful kids in this thrilling tale of historical fiction, part of the Survivors series. For years, Garret and Molly have dreamed of seeing more of the world than cotton fields and the dusty poverty of their Mississippi Delta farms. They’ve been stashing away hard-earned pennies and nickels in a tin-can bank, hidden deep in the bayou. Now rising flood waters threaten the hiding place of their money, and they set out on their homemade raft to retrieve it. But the raging Mississippi has other plans, and suddenly Garrett and Molly find themselves in a deadly battle with the dangerous currents and roiling rapids of their debris-strewn river—fighting not for their life savings, but for their lives.

While spreading flames threaten to cut off all possibility of escape from the Chicago fire of 1871, twelve-year-old Nate attempts to save a wealthy young girl and to return home safely.