Successful integration is always a challenge, whether it is about obtaining a new unit by acquisition or merger, re-organizing different units of a company or building up an in-depth partnership. Creating an operative base to reach the strategic M&A goals may take a long time. Integration process tends to take much longer than expected, cause frustration and require a lot of patience from the parties. Another challenge is to keep the daily "business as usual" going while carrying through the integration phase. The M&A Coach Book is a tool box designed to raise questions and a range of approaches during the integration process: 1) An integration tool designed to improve M&A Integration success rate. The emphasis is on profound early planning and value creation. 2 A cooperation tool offering a neutral base for all parties to the Integration. 3) A study tool which allows anyone interested in M&A Integration to study and prepare for a potential M&A case. 4) A reflection and active learning tool for continuous learning, which is a key to improving the results of M&A activities. It is critical for companies where the mergers and acquisitions are a way to grow and improve the company's competitive edge.