City Walks with Kids: London: 50 Adventures on Foot

Fodor's Around London with Kids (Travel Guide)

Not For Parents London: Everything You Ever Wanted to Know (Lonely Planet Not for Parents)

Mission London: A Scavenger Hunt Adventure (Travel Book For Kids)

Kids' Travel Guide - London: Kids enjoy the best of London with fascinating facts, fun activities, useful tips, quizzes and Leonardo! (Volume 41)

City Walks with Kids: Paris Adventures on Foot

This is London

A Walk in London

Katie In London

City Trails - London (Lonely Planet Kids)

Mission Paris: A Scavenger Hunt Adventure (Travel Book For Kids)