Next, a solucionario is a solutions manual. So the user is asking for a report on a solutions manual for the 8th edition of this Fluid Mechanics book. However, if the edition is incorrect, I need to clarify. Maybe the user is referring to the 10th edition? Let me confirm the correct editions. Streeter, Wylie, and the later editions include other authors. The 10th edition includes Bedford and Wiggert. So the 8th edition by Streeter and Wylie exists.