The Magic City by Edith Nesbit
A thoroughly bored Philip, alone in his stepsister's house, entertains himself by building a giant model city of game pieces, books, and other odds and ends lying around the place. Suddenly—magically—he finds himself inside the city: and the city is alive!
Content
Chapter 2 Deliverer or Destroyer
Chapter 6 The Lions in the Desert
Chapter 7 The Dwellers by the Sea
Chapter 9 On the 'Lightning Loose'