Charles Porter G.. A Theological Education by Extension workbook which presents the important points of each book of the New Testament and emphasizes the unity which exists between the books.

• Editorial Bautista Independiente
• Spiral
• Vol. 1, 240 pages, ISBN# 978-1-879892-01-9
• Vol. 2, 242 pages, ISBN# 978-1-879892-16-3

Digital PDF documents

• Vol. 1, Matthew to Acts, ISBN# 978-1-941215-73-9
• Vol. 2, Romans to Revelations, ISBN# 978-1-941215-22-7