Beautiful Belize Reef is the 4th book in the preschool series: Caye to Learning. The concepts of shapes, sizes and spatial relationships are taught using the marine world of the Belize Barrier Reef. Fish, corals and other marine creatures swim about with circles, squares, triangles. Fish show the child different sizes. Sharks are found in front of or behind corals. All the concepts are beautifully illustrated with Jim Beveridge's photographs. The index identifies all the marine life shown in the book.