One of the biggest challenges with writing a significant piece like a book chapter or entire book is to estimate how long it will take and plan accordingly. My best reference was my PhD which was still significantly shorter than the book’s target 90,000 words. This blog post is about the book writing process as I experienced it. I hope it helps other authors setting out on such an endeavour.
Since ‘Guerrilla Analytics: A Practical Approach to Working with Data’ is about operational aspects of agile data science, I recorded some data on the book writing process itself. Specifically, every time I finished a writing session, I recorded the number of words I’d written on that date.

One of the biggest challenges with writing a significant piece like a book chapter or entire book is to estimate how long it will take and plan accordingly. My best reference was my PhD which was still significantly shorter than the book’s target 90,000 words. This blog post is about the book writing process as I experienced it. I hope it helps other authors setting out on such an endeavour.
Since ‘Guerrilla Analytics: A Practical Approach to Working with Data‘ is about operational aspects of agile data science, I recorded some data on the book writing process itself. Specifically, every time I finished a writing session, I recorded the number of words I’d written on that date.
My 3 Lessons
- Progress tapers off. You’ll get more work done in the first half of your project. Don’t expect this rate of progress to be sustained all the way to your deadline.
- Be realistic about how much you can write in a session. I found it difficult to write more than 1,500 words. Anything more was the exception for me. Track your progress and re-plan accordingly.
- Weekends are better than weekdays. Obvious maybe! Expect to set aside your free time on weekends to get your project over the line. It is difficult to get significant amounts of work done on weekdays.
Progress tapers off
How much did I write in a typical session?
Here’s how much I wrote in each writing session.

I typically wrote about 1,000 words with the odd session where I wrote over 3,000 words. This is important when you plan your project. If you’re anything like me, writing more than 1,000 words will be an exception. If you only write on weekends then you’re looking at only 2,000 words per week. That’s well under 100,000 words in a year allowing for holidays and other disruptions.
Are you thinking about writing something and have questions? Feel free to get in touch and best of luck!
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