20. Tintin in Tibet (1960)
Tintin in Tibet (French: Tintin au Tibet) is one of The Adventures of Tintin.
Tintin
in Tibet is the twentieth book in the series. It is said to have been
Hergé's favourite of the Tintin series (previously The Secret of the
Unicorn), and was written during a personally difficult time in his
life, as he was divorcing with his first wife. The story is unlike any
previous Tintin books, before or since: there are only a small number of
characters and no enemies, villains, spies or gangters. This adventure
revolves around a rescue mission.

It
is also unusually emotional for a Tintin story: moments of strong
emotion for the characters include Tintin's enduring belief in Chang's
survival, the discovery of the teddy bear in the snow, Haddock's
attempting to sacrifice himself to save Tintin, Tharkey's return,
Tintin's discovery of Chang, and the yeti losing his only friend. Indeed
Tintin is seen to cry when he believes Chang's fate, something he is
only seen to do twice throughout the entire series (the other occurrence
being in The Blue Lotus).
Whilst on holiday in a mountain resort with Captain Haddock and Professor Calculus, Tintin reads about a plane crash in the Gosain Than massif in the Himalayas.
That evening at the hotel, Tintin dozes off while playing chess with
the Captain, who is having trouble deciding on his next move. Tintin has
a vivid dream that his young Chinese friend Chang Chong-Chen (see The Blue Lotus
for back story) survived a plane crash, and awakes with a violent
start, yelling "chang!" and throwing the whole recreation room into
chaos. The next morning, he reads in the paper that it was Chang's plane
that crashed in Tibet. Believing that his dream was a telepathic vision, Tintin travels to Kathmandu, followed by a skeptical Captain Haddock. They meet with a sherpa named Tharkey, and accompanied by some porters, they head to the crash site.