The subject of Quantum theory is never easy to assimilate. Several readings and multiple books references provides the first gist for the thought mill to begin churning to the next stage. In perusing the major content of the book, I have only crossed the rubicon and need to go miles. However, the subject in influential in the era when quantum computing is knocking at the door and a book connecting the dots between physics with implied purity of thoughts and engineering where thoughts are distilled is required. This book does not serve the latter nor is it intended. Time worth spent. Yet miles to go,