The subterranean tombs known as the Roman Catacombs are truly time capsules. Some tunnels date to the first century. Both Jewish and Christian graves are found there, including cremated and skeletal remains, and some have only been discovered recently. It's challenging to receive permission to explore these tunnels. Luckily, young historians can find all they need to know in the well-researched pages of this intriguing book, full of extraordinary...