Beginning today, Tsubute, the second novel in my Seeds of Civilization series, is available in Kindle eBook format from Amazon. Tsubute joins Tractrix, my first novel, on the Kindle platform and we will be adding the third and final volume, Triangle, about this time next month.
To find all my eBooks, browse to www.Amazon.com and select Kindle Store from the Search drop-down list. Enter “Seeds of Civilization” (include the quotes) in the box to the right of the drop-down and click the small orange “GO” ball.
Tsubute takes place almost entirely on the small Japanese island of Yonaguni where a real underwater “pyramid” was discovered by a scuba diver in 1987. Now commonly referred to as the Yonaguni Monument, this megalithic structure appears to have been built before the end of the last ice age, about 10,000 years ago, when the world’s sea levels were much lower than they are today.
Those of you who have read Tractrix will be happy to know that Frank, Tony, Linda and Jim are back! This time, a trip to Yonaguni to investigate the mysterious underwater pyramid involves the four friends in a case of murder and international kidnapping.
The maiden voyage of the team’s newly acquired Learjet begins with a dramatic landing in the Aleutian Islands of Alaska. After a run-in with Department of Justice agents in Tokyo, the team begins to think they should never have left home. When they finally touch down on Yonaguni, a Japanese-American exchange student befriends them and helps them get to know the tiny island of 1,200 people—and the dark secret being protected there. When a tsubute discovered outside the NWIDI headquarters in Seattle reappears on Yonaguni, it leads the NWIDI team to a startling discovery about the true nature of the island and its original inhabitants.






Jill Harris is actually a main character during the first half of Tractrix, until a government agent suggests she “disappear” for her own safety. Frank meets the tough ICU nurse when he first arrives in Las Vegas and he soon learns that her family and his investigation are intertwined. However, it is Tony who’s attracted to Jill and they develop a relationship that lasts through the end of the series.
Ben Kingston is an exobiologist employed by the Department of Defense who is brought in late in Tractrix to help Frank, Tony, Linda and Jim investigate the mysterious spheres that are the basis of the novel. Any more information about Ben would reveal too much of the plot, but suffice it to say that his isolated lab, dug into a hillside overlooking Area 51, contains an “out of this world” artifact.
“Fitz” and Susan Fitgerald, along with their dog Sandstrom, join the NWIDI team in the opening pages of book 2, Tsubute. Fitz and Susan are private jet pilots and Sandstrom’s primary role seems to be to pester and annoy Tony! Grrrr!
Bill Ito is a Japanese-American exchange student working in a small hotel on Yonaguni Island when the NWIDI team blows into town in Tsubute. Because of his perfect English and his extensive knowledge of the island, he becomes an unofficial team member until I’m forced to write him out of the story line in chapter 14.
Javier Reyes is introduced in chapter 1 of Triangle and remains a secondary character throughout the rest of the novel. Javier’s experience with a Mexican environmental group buys him a spot on the NWIDI team as they take to the ocean in search of the source of strange signals emanating from deep below the surface near Cuba. However, it is his resourcefulness that saves Linda’s life when they are sent on a covert mission deep into the island nation’s interior.
Miles Adderly is a retired U.S. Navy SEAL who owns and operates a hotel on Andros Island in the Bahamas. When Frank, Tony, and Jim show up, Miles seems to be both an ally and an adversary but a book in his library provides Jim with important clues about the origin of artifacts found near Cuba. After teaching Frank how to use exotic rebreather diving equipment, Miles remains with Frank “to the very end” of Triangle – and the series.

After successfully deciphering the messages on the mysterious black spheres in Book 1, Jim is instrumental in determining the origin and purpose of some ancient objects his team discovers deep inside a Japanese mountain in Tsubute. But it’s his brilliant work with the submerged artifacts of Triangle that finally brings him the public recognition that has eluded him in the previous missions.
Linda becomes a much more prominent character in Tsubute, my second novel, when she’s inadvertently stranded on a remote beach in southern Japan and must make her way back to civilization through an underground cave system. She plays an even larger role in Triangle, the third book, when she and a Mexican national named Javier Reyes are asked to sneak into Cuba undercover and investigate strange happenings on the northwestern tip of the island. Later in Triangle, Linda finds her soul mate and her life forever changes.
While in Las Vegas, Frank begins to assemble his team – the characters you will meet over the next three days – and he eventually forms a non-profit organization called NWIDI to pursue his life-long interest in ancient archeological mysteries. After their successful mission in my first novel, Tractrix , they head off to a tiny Japanese island in the China Sea to explore a 9,000-year-old underwater pyramid in Tsubute, and then to the Caribbean to explore the submerged ruins of an ancient city in Triangle, the third and final book in the Seeds series. While Frank is mentioned numerous times in the first three books of the Parallel Ops series, he doesn’t really have a speaking part. Maybe he’ll return in The Teachers, the final book of this series!