Wanderer Among the Stars

A person cannot be subdued. The thirst for freedom cannot be destroyed. This is the main theme of an almost unknown modern domestic reader, but once extraordinarily popular science fiction novel by Jack London, whose hero, declared insane, actually possesses an astonishing gift of willpower to leave his physical body and wander through the most remote epochs and countries. He doesn't need a time machine - he is the time machine himself. The mortal flesh may languish behind bars - but does it matter if the mind and spirit are free?..