Упр.3 Юнит 7 Урок 5 ГДЗ English Кузовлев 10-11 класс

Sometimes instruction notes can help people to solve a mystery. What mystery did the characters of The Invisible Man («Человек-невидимка») by H. G. Wells try to solve with the help of the three books? (R Unit 7, ex. 6)

The characters of The Invisible Man tried to solve the mystery of how to make a person invisible and then visible again with the help of the three books.