Every book offers its own perspective. A perspective is not truth. It is merely a tool for exploring reality. One of the biggest mistakes we can make in life is equating any fixed perspective with truth itself.
Multiple perspectives do not contradict each other unless you equate them with your identity and assume "there can be only one." To me this is like saying that your PC can only run a single piece of software and nothing else. How can one machine be a business tool and an entertainment machine at the same time? Don't those philosophies conflict? Yet a PC is perfectly capable of managing this apparent conflict because its identity is much more than the software it runs. It doesn't require itself to believe in a fixed perspective. So why do human beings do so?
This concept is explained in more detail in
Podcast 13: Beyond Religion.