Serpent and the Rose: Book One in the ISIS Medallion Trilogy: Queen Nenhet's Medallion, Vol. 1 Book

The Serpent and the Rose Time Travelers, Inc. series book eight Book One in the Isis Medallion Trilogy Queen Nenhet's Medallion by Hollie Van Horne Every man desires Maggie's charm
...the one she wears around her neck that is!
In 2660 B.C., the Goddess Isis gave mankind four magical medallions:

One was given to Pharaoh Djoser One was given to the Priest Imhotep One was given to Queen Nenhet One was given to Francois de Bienvenieux to eventually give to fellow time traveler, Louis DeLaCroix, who was commissioned by Isis to thereby hand the medallion down through time to Time Travelers, Inc.
All four of them have been lost in time ever since!

~1398~

Margaret (Maggie) Kerr-Sinclair:
A beautiful, blonde haired, blue eyed, Scottish lass and Templar knight is on an inherited holy mission to guard and protect Queen Nenhet's medallion from those who would kill to obtain its magical powers. But she's not alone. Prince Henry Sinclair's entire Templar army is at her beck and call.
John Howard:
A handsome, dark-haired rogue and notorious womanizer, son of a Templar knight, impoverished British nobleman is sworn, by a blood oath to King Richard II, to obtain-by any means possible-one of the Isis medallions so that the king may defeat his numerous enemies and ensure his hold on the British Empire.
~2004~

Time Travelers, Inc.:
Bruce Wainwright, Sam Cooper, Jim Cooper, Celeste Cooper, Dr. Stephen Templeton, Elizabeth Templeton, Tara Angeline...and the ghost of Francois de Bienvenieux, having recently realized their appointed destiny is linked to four power medallions, plan to send TTI representatives into the Time Tunnel and travel wherever they must to get all four.