This story, based on the tale of Hansel and Gretel, is set in rural Africa and follows the plight of a girl and her young brother who follows her into the forest.  They get lost and find a cottage - but can they trust the owner?  The copyright to this book has been donated to the CharCharChest Quest and the book is now being used in schools in Malawi.  http://www.thecharcharchest.com/Challenge.html