Initially a socialite and novelist, she earned a reputation from the 1950s through the 1970s "as one of Britain's most formidable monster hunters.

Richard Carrington wrote that the treatment of the yeti in Tchernine's The Snowman and Company is uncritical and she presented no reliable evidence for its existence.

He concluded that the book was well written but only the credulous or romantic reader will find it entertaining.

[6] Christoph von Fürer-Haimendorf stated that Tchernine's data on the yeti that she took from Russian sources are too contradictory and vague to be regarded as reliable evidence.

[7] Tchernine's In Pursuit of the Abominable Snowman was negatively reviewed by Jane M. Oppenheimer who commented that the evidence collected for the yeti was mostly taken from dubious Russian sources which are anecdotal or suggestive and that a specialist will demand much stronger evidence.