An analysis is carried out to study the flow and heat transfer characteristics of a non-Newtonian power-law fluid over a stretching surface in the presence of radiation and slip condition at the surface. The local similarity solution is used to transform the system of partial differential equations, describing the problem, into a system of highly coupled non-linear ordinary differential equations. The transformed system of equations is solved numerically using the fourth order Runge- Kutta method coupled with the shooting technique. The effects of the radiation parameter and the slip parameter on both the flow and the heat transfer are investigated and discussed. Also, it is found that the local skin-friction coefficient decreases as the slip parameter increases. However, it is found that increasing the slip parameter or the radiation parameter has the effect of decreasing the local Nusselt number. An analysis is carried out to study the flow and heat transfer characteristics of a non-Newtonian power-law fluid over a stretching surface in the presence of radiation and slip condition at the surface. The local similarity solution is used to transform the system of partial differential equations, describing the problem, into a system of highly coupled non-linear ordinary differential equations. The transformed system of equations is solved numerically using the fourth order Runge- Kutta method coupled with the shooting technique. The effects of the radiation parameter and the slip parameter on both the flow and the heat transfer are investigated and discussed. Also, it is found that the local skin-friction coefficient decreases as the slip parameter increases. However, it is found that increasing the slip parameter or the radiation parameter has the effect of decreasing the local Nusselt number.