This is the story of a school shooting playing out in real time hence the title three hours, ⁠and boy does it pull at the heart strings. I absolutely got caught up in this spine tingling good read from Rosamund Lupton.
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When I first started reading this I did feel the start was a little bit slow and I wasn't sure I was going to love it as much as everyone else but then somewhere along the line I got lost in the narrative that was unfolding and I was hooked, I couldn't put it down. I finished this book in the hairdressers with tears streaming down my face and have recommended it to so many people!⁠