Word (page found in Ice Story) part of speech, and definition:
Unrelenting: page 1 -- adjective -- not softening or yielding in determination
Desolate: page 1 -- adjective -- lacking inhabitants and visitors.
Improbable: page 2 --adjective-- unlikely to occur
Exploits: page 2 -- noun-- deeds notable especially for heroism
Ebbed: page 6 --verb-- passing from a high to a low point