This book has all but 4 chapters, with the first one ‘Examples’ spanning over half of its length. The book if full of examples illuminating different topics in elementary and advanced mathematics while also giving some historical context. Read this book with a pen and paper handy!
Mathematical Vistas: From a Room with Many Windows
This book along with ‘Mathematical Reflections’ from the same series is a collection of mostly distinct and diverse essays in mathematics, with the aim of sparking an interest in mathematics.