He self - published his first book before landing a three - book contract with Pan Macmillan .
Ekow Duker sellf - published his first book , before being signed with Pan MacMillan for a three - book contract .
Ekow Duker sellf self - published Ekow Duker sellf 's book book before landing a three - book contract Pan MacMillan   Macmillan .
Ekow Duker sellf - published his first book , before being signed with Pan MacMillan for a three - book contract .