Gospel simply means 'the Good News' of the Coming Kingdom of God (see Mark 1:15). The New Testament begins with the Four Gospels - Matthew, Mark, Luke and John. These contain many of the teachings, life and death of Jesus Christ with much of it in His words. It is considered the 'core' of Christianity.
It is the book of Acts.
Luke
The book of Acts is often considered the second part of Luke
the 4th part is already out as a book
The Book of Acts follows the Gospel of John.
Billy Fincher wrote the book Gospel of Nicodemus.
The book of Galatians is the authoritative book on this subject. It distinctly separates the law and the gospel, the works of the law and our faith in the gospel.
The book of Kells was a gospel book. Gospel books were made in the middle ages when there were not very many bible copies. Gospel books were for private study or a display books; they were used for both ceremonial and ornamental purposes.
The gospel is proclaim in the 'liturgy of the Word'.
.Catholic AnswerThe Gospel reading is part of the Liturgy of the Word, not the Eucharist.
The gospel accounts are found in the first four books of the New Testament (sometimes called the Christian Greek Scriptures) These are the Bible books of Matthew, Mark, Luke & John.
The Gospel, the Good Book