This primer to integral theory provides an up to date introduction and is an ideal piece to give to colleagues and friends who keep asking you "What is 'integral theory'?. For years I have heard people complain that there isn't a solid intro to the AQAL model. While Ken Wilber has penned a few introductions these often aren't viewed as ideal presentations for many professional contexts. My hope is that this new introduction will fill in the gap and allow individuals another resource in communicating the basics of integral theory. This introduction is also written in a way that even seasoned integral practitioners will find illuminating with new details of integral theory being offered.