The Smile of the Tiger. The Paka Mdogo Series, #4

Sheena (aka Paka Mdogo - Little Cat) finds herself trapped, alone and without food and water, high up in an apartment block in Thailand, The Land of Smiles, when floods from the North swamp the city. The Allen Family, including Thomas and Amy) have left the country without her, thinking she was safe. She must escape. .but she escapes into a very much changed Thailand, a World of Water. She learns that smiles, like water, can be of very different kinds; and she has to make some extraordinary friends and join them in a fellowship of travellers on a dangerous journey to the Tenasserim Hills in the hope of finding what they are all looking for. Freedom