The black stallion mystery

"At auction, Alec Ramsay is stunned to find three colts whose resemblance to the Black is uncanny. Could these young Arabians have the same father as the Black? Alec was told that the Black's sire died years ago in Arabia. Was it a lie? To learn the truth, Alec and the Black travel back to the land where they first met and discover that they are being used as pawns in a dangerous game."--Publisher description.