Children can follow the story of London as it grew from the Roman town of Londinium, survived the plagues and fires of the seventeenth century, witnessed Victorian innovations, was bombed during The Blitz, and has become one of the busiest, richest cities in the world. A narrative account of some of London's most exiting, interesting and devast... Children can follow the story of London as it grew from the Roman town of Londinium, survived the plagues and fires of the seventeenth century, witnessed Victorian innovations, was bombed during The Blitz, and has become one of the busiest, richest cities in the world. A narrative account of some of London's most exiting, interesting and devasting moments.The Usborne Reading Programme is a collection of over 300 reading books, graded in seven levels, and developed with reading experts.Series Three books are for fully confident readers who still need to gain the stamina needed for standard length books. They use advanced sentence structure and vocabulary and have more complex plots with subplots than the level below.