"When Karen is playing detective one day, she finds an old treasure map. The map says there is a treasure in her backyard. Karen looks for it. But she can't find it ..."--Page 4 of cover.

"Twelve-year-old twins Bickford and Rebecca Kidd and their two older siblings travel to Africa to track down priceless artifacts that will keep the family's treasure hunting business afloat long enough to rescue their kidnapped mother--and possibly find their missing father"-- Provided by publisher.