I bought this book in the 6th grade in 1972. The story is about a teen and his college brother who are orphans. It starts with them filming a tsunami, or other big wave, hitting the coast where they live. As they climb down the cliff face after the wave, the older one finds a statue of a bipedal alien figure embedded in the cliff face now exposed by the destruction of the wave. The statue appears to be made of a diamond like substance. Their exploring leads them to a chamber under the sea with a coffin like box similar to the statue's material containing a body like the statue. With the help of a professor the box is moved to the university and the body is accidentally revived. The being turns out to be from a civilization millions of years in the past. The story unfolds as they travel with the guy to his city, then on deep into the planet searching for the remnants of his people.

  • I know this book. I asked about in in Whatsthatbook.com back in Mar 2015. Unfortunetly it looks like that site shut down a few months ago. I can even picture the cover A lizard man in a light colored skintight jumpsuit swimming upright (trading water) underwater. I cant remember the title. A bit more info. The group on the journey are the Professor, the Brothers and a girl (Girl friend? Professors assistant?) When they get to Lizard Mans underwater/ground city, it is abandoned but still running/working. So they take a subway to another city seeking answers.
    – NJohnny
    Mar 1, 2018 at 1:17
  • possibly the same as scifi.stackexchange.com/questions/209212/… (which is newer but has an answer confirmed by OP comment)
    – Otis
    Apr 17, 2019 at 15:14

1 Answer 1


Found it.
Stranger from the Depths by Gerry Turner

Stranger from the Depths

From this review:

In a nutshell, we follow a band of high school friends who've discovered a statue made of diamond after the New England coast is hit by a tsunami. This -- along with a college professor mentor of theirs -- leads them to discover an undersea tomb which contains Saa, the lizard man depicted on the cover. He -- having been in suspended animation for eons -- leads them to his still-extant city, millions of years old, but protected by various autonomous systems and its diamond-like outer shell. It is a marvel to our contemporary travelers, who (through the "induction machine") learn to communicate with Saa. Saa, naturally, is feeling a bit lonely -- until he finds that there are others of his race in a different, renegade city that is reaching the end of its lifetime. Its people have become superstitious, and unable to wield science and engineering any longer, they rule through a priesthood-like theocracy. Saa and his human friends come in peace, in an attempt to merge the two cities and its peoples...


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