Meaning: This sentence describes the person's act of giving the book to his friends so that they can also read and enjoy it.
Choice of Words: "Shared" is the past tense of the verb "to share", which means to divide or distribute something among a group of people. "Book" is a collection of written or printed pages that tell a story or give information. "With" is a preposition that indicates an association or connection between two things. "His" is a possessive adjective that indicates ownership. "Friends" is a plural noun that refers to people who are close and have a bond of affection.