The forerunners, by Norman Arkawy                                         77421

  [Author: Norman Arkawy]

  [Author: Stanley Henig]

  [Illustrator: Mel Hunter]

  [Link: https://www.gutenberg.org/ebooks/77421]

  note: link will be active within two hours of posting.

Thanks to Sean/IB and Tom Trussel

Regards,

Robert