This appears to be the only up-to-date book that introduces at a useful level of detail what academic employment is like in Britain. There are many books written by American authors, but the US has a very different system and much of what is written there doesn't apply to Britain.
The slightly misleading title made me think twice about buying this book. Don't expect specific advice about writing CVs, applying for jobs, doing or presenting research, or delivering lectures or seminars. That's not what the book is for. It's not inconceiveable that this book could help people who already have an academic career to 'manage' it better, but I'd be surprised if it told them much that they didn't already know by that stage.
The true target reader is somebody considering embarking on an academic career, who wants to know what the work and lifestyle are really like. The time to find this out, by the way, is BEFORE you start your PhD, not during or after it.
The book is based on the accumulated experience of its two authors (both long-serving academics) and a number of younger academics they interviewed, who are at earlier stages of their careers. It acknowledges the pleasures of an academic career, but doesn't sugar-coat the difficulties.
It will help you make up your mind whether an academic career is for you.