This book is dedicated to all those who love the novel "Gadfly," love its hero and strive to become a fighter for the happiness of all mankind. This book tells about the fate of the writer and the fate of his novel, about how we found the author of "Gadfly" - Ethel Lilian Voynich, about why she was forgotten in her homeland and how it happened that only at sunset she learned about her world fame, unknown to her until then. This book tells about the wonderful life of E.-L. Voinich, about her friends - Russian and Polish revolutionaries. About how the novel "Gadfly" was created and why this work of the English writer about the Italian revolutionary found his homeland in Russia. In this book, the reader will find many portraits of E.-L. Voinich, her family and friends, will see the first page of the manuscript "Gadfly" and an appeal to Soviet youth, written by the hand of its author.