In the sequel to At the World’s End Caz and Will have reached the security of The Settlement. But Caz is still restless, and when she discovers that her father set off for the mysterious Mines of Shadow Valley and never returned, she has to go after him. A stolen plane, deep tunnels, strange creatures and an elixir of life- The Crystal Stair leads to dark, dangerous and fascinating new worlds.
‘Chilling, exhilarating page-turner…’
Amazon reviews