The boys and I read _On This Spot: An Expedition Back Through Time_ by Susan E. Goodman. The excellent illustrations are by Lee Christiansen. The “spot” in question is where today’s New York City appears, and looks at what was there during various times. It begins with today’s skyscrapers, taxis and people…but ON THIS SPOT 150 years ago (the next page): horse-drawn carts, people selling vegetables, etc. And ON THIS SPOT 350 years ago there was a fort called New Amsterdam, and during the ice age…, and during dinosaur times…, etc. My two junior palaeontologists loved it!   Here’s...