books

function books(input) {
    let favouriteBook = input[0];
    let index = 1;
    let bookIsFound = false;
    let nextBookName = input[index];

    while (nextBookName !== "No More Books") {
        if (nextBookName === favouriteBook) {
            bookIsFound = true;
            break;
        }
        index++;
        nextBookName = input[index];
    }

if (bookIsFound === false) {
    console.log(`The book you search is not here!`);
    console.log(`You checked ${index - 1} books.`);
} else {
    console.log(`You checked ${index - 1} books and found it.`);
}
}

books(["Troy",
"Stronger",
"Life Style",
"Troy"]);