I came across this book recently and it’s really good one as I thought

Does it sound natural?

Question

I came across this book recently and it’s really good one as I thought

Does it sound natural?

Answer

You could say: "I came across this book recently and it's a really good one, as I thought it would be."

Answer

I came across this book recently and it’s really good one as I thought ❌
I came across this book recently and just as I thought, it's really a good one✅

Answer

Which book? Can you please it?