Books with title Rainbow Fish to the Rescue!

When a rainbow fish saves the stranger Nii and dumps him on the coast of the Zulu Kingdom, little did he know he would be starting a fishing revolution that will change lives. The Zulus had plenty of cattle and plenty of sea, but nobody went to fish. Nii begins to fish with his host and new partner Tofi, because SEA NEVER DRY. Soon the whole community join in the march towards the sea. One day the rains fail to fail, the grass withers, the cows die. but like true love, the sea never dries. There is plenty to eat.Nii feels homesick and returns to see his mother. Tofi wants him back but first has to find the rainbow fish. It's an impossible quest but driven by faith alone she fishes the sea for months and eventually succeeds. But before Nii can come back Tofi has to dance in fire. She is taken through a pulsating African Fire Dance, during which she gains FIREPOWER. she also begins to understand several languages. The fish then has to return to the sea. In a run to nowhere, Tofi returns the fish who rides the crest of the wave as King. Will Nii return? And how?