Lost Cities: You can't lose a city, right? This chapter will look at why cities are lost and what clues their ruins hold to the past * Lost at Sea: This chapter will explore lost ships and their final voyages, from the unsinkable Titanic to Shackleton's Endurance * Lost Worlds: In this chapter readers will meet incredible prehistoric creatures and visit the places they once lived * Lost in the Wild: Have you noticed the tree branch over there is looking back at you? In this chapter, readers will meet creatures that seamlessly blend into their environment * Lost forever: We're losing tens of thousands of species a year * In this chapter readers will come face to face with contemporary extinction and its causes * Lost and found: This final chapter will explore stories of species brought back from the brink.