I found this book 'Rome (Everyman Map Guide) a wonderful guide to use in Rome. It was easy to use, had lots of useful information and certainly guided you wherever you wanted to go. A perfect handbook to have in your pocket.
Yes, this is a great addition to my bike. It is easy to operate and has chord length which adds to the comfort if using it. It packs comfortably around my bike and doesn't get in the way when I ride..... Thank you