This is the first volume in a series of books on abstract algebra for those who are interested in undertaking a serious first course in the subject.
I am offering a PDF version of the book for $19.95 (plus tax if you live in California). You can pay through PayPal by clicking the link below. AFTER PAYING, PLEASE CLICK 'RETURN TO MERCHANT' ON THE PAYPAL WEB SITE AND YOU WILL BE TAKEN TO A PAGE WHERE YOU CAN DOWNLOAD THE BOOK.
I have made Chapter 1 of the book available as a free download. It includes the complete table of contents for the book. Just click here to download.
I have done some YouTube videos based on the book. Here is the link to the first video.
Lecture 1