While on a shopping trip into the city Megan turns up missing. Her family and friends are frantic with concern for her well-being. Meanwhile, Megan finds herself in unfamiliar surroundings being stalked by an unnatural creature with glowing red eyes.The 5th book in the Adventures of Megan Martin!

Megan discovers a large dark blue triangular spaceship that she can transport out of fourth-dimensional space into three-dimensional space. Using this craft, she takes May and Brianna and sets out for another solar system where they rescue a small alien woman, Xeba, from being eaten by a huge dinosaur. Megan wonders why this woman and her people live like primitives when they are obviously much smarter than cave people. Simon Banister's not behind bars yet and Megan wants to know why. To complicate things even more, he's learned who Megan is and how she's been messing up his plans. He hires a team of former commandos to kidnap Megan and her family. They just missed catching Megan and little Xeba by a few seconds. Now Megan and her friends must get the Martin family home safe but it is not as easy as she hoped it would be.

A technological wonder from before recorded history finds its way into the hands of two teenage girls. It looks like a golden crown and has five triangular activation jewels, each with specific abilities. Now Megan and her friend May have assembled the device and are about to unlock the mysteries of time and space. What dangers await? Find out as you travel with them in this wondrous family adventure.