Chronicles of the Tempus Series by K.A.S. Quinn

Why is Katie Berger-Jones-Burg under a sofa in Buckingham Palace? The last thing she can remember is reading in her bedroom, trying to block out the sound of the TV. Now she is in London, at the height of Queen Victoria's reign. Something very strange is going on.Together with her two new friends - Princess Alice, the young daughter of Queen Victoria, and James O'Reilly, the son of the royal doctor - Katie must discover why she has been sent back in time... moreWhy is Katie Berger-Jones-Burg under a sofa in Buckingham Palace? The last thing she can remember is reading in her bedroom, trying to block out the sound of the TV. Now she is in London, at the height of Queen Victoria's reign. Something very strange is going on.Together with her two new friends - Princess Alice, the young daughter of Queen Victoria, and James O'Reilly, the son of the royal doctor - Katie must discover why she has been sent back in time. And who are the weird and frightening creatures who seek her out? The key, it seems, lies with the enigmatic Bernardo DuQuelle. As the dark forces moving through the royal household begin to take control, Katie and her friends uncover a plot to assassinate the Queen and unearth an even darker mystery... less

The extraordinary time-traveling adventures of Katie Berger-Jones-Berg continue in the second entry in this historical trilogy In 21st century New York, Katie Berger-Jones-Berg is a little concerned. She's seeing people in old-fashioned clothes who have a worrying habit of disappearing. Then she receives a mysterious note, and is sent hurtling back through time! In 19th-century London, Queen Victoria is on the throne and England is on the brink of war with Russia... moreThe extraordinary time-traveling adventures of Katie Berger-Jones-Berg continue in the second entry in this historical trilogy In 21st century New York, Katie Berger-Jones-Berg is a little concerned. She's seeing people in old-fashioned clothes who have a worrying habit of disappearing. Then she receives a mysterious note, and is sent hurtling back through time! In 19th-century London, Queen Victoria is on the throne and England is on the brink of war with Russia. For some reason, everyone's looking to Katie to save the day. But for a traveler in time, Katie's is fast running out. less

The final installment in the extraordinary time-traveling adventures of Katie-Berger-Jones-BurgKatie Berger-Jones-Burg is a lonely New York teenager. It's Christmas, and with her pop-star mother away on a whirlwind tour, all is not well with Katie. She is having visions, and she realizes she is needed in another time. In 1860 it's Christmas too... moreThe final installment in the extraordinary time-traveling adventures of Katie-Berger-Jones-BurgKatie Berger-Jones-Burg is a lonely New York teenager. It's Christmas, and with her pop-star mother away on a whirlwind tour, all is not well with Katie. She is having visions, and she realizes she is needed in another time. In 1860 it's Christmas too. Princess Alice is helping her father Prince Albert with his endless stream of work while the rest of the family—including Queen Victoria—is enjoying the wonderful snow. But the merry royal family is under a shadow. There is a plot—both political and supernatural—to bring down the Queen. A Britain without its Queen is weak, and where Britain stumbles, the rest of the world falls. less