Two Songs This Archangel Sings(1986)
(The fifth book in the Mongo series)
A novel by George C Chesbro
Mongo and his brother Garth are changed forever, as is their view of the world, because they possess a secret that must never be told. Here the epic adventure continues as the brothers become fugitives and outcasts struggling to solve the puzzle of an extremely dangerous Vietnam veteran with information that could topple the government.
October 1986 : USA Hardback
December 1986 : USA Paperback
March 1988 : USA Mass Market Paperback