The Answer to your question is:
False.
"because the author can write the book however they want"
Side note:
"Talking about: chronological	written in the order that events occur in real time flashback	a change in the storytelling order where the current action flashes back to the past flash forward	a change in the storytelling order where the current action flashes to the future"
Quoted answers are NOT Mine.  I take NO credit/responsibility for this answer. 
Further information / sources may be provided at:
http://openstudy.com/updates/5302985de4b024fe26e2b550
I am only here to help, Not to get into trouble.  I hope you understand.  
        
             
        
        
        
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Go on edu birdie the help good this is just for ur opinion on it