diff --git a/Chapter_10/PVR_AlphaTest/AlphaTest.pod b/Chapter_10/PVR_AlphaTest/AlphaTest.pod
index e5b8512..3c9703a 100644
Binary files a/Chapter_10/PVR_AlphaTest/AlphaTest.pod and b/Chapter_10/PVR_AlphaTest/AlphaTest.pod differ
diff --git a/Chapter_10/PVR_ClipPlane/ClipPlane.pfx b/Chapter_10/PVR_ClipPlane/ClipPlane.pfx
index bfb8543..90b5dce 100644
--- a/Chapter_10/PVR_ClipPlane/ClipPlane.pfx
+++ b/Chapter_10/PVR_ClipPlane/ClipPlane.pfx
@@ -54,7 +54,7 @@ void main( void )
 	ATTRIBUTE a_vertex			POSITION
 	
 	UNIFORM u_matViewProjection	WORLDVIEWPROJECTION
-	UNIFORM u_clipPlane			CLIPPLANE	vec4(0.43,0.89,0.0,1.0)
+	UNIFORM u_clipPlane			CLIPPLANE	vec4(0.25,0.0,0.0,1.0)
 	
 	FRAGMENTSHADER  FragShader
 	VERTEXSHADER    VertShader
diff --git a/Chapter_10/PVR_ClipPlane/ClipPlane.pod b/Chapter_10/PVR_ClipPlane/ClipPlane.pod
index 9cb2df3..0006130 100644
Binary files a/Chapter_10/PVR_ClipPlane/ClipPlane.pod and b/Chapter_10/PVR_ClipPlane/ClipPlane.pod differ
diff --git a/Chapter_10/PVR_LinearFog/Fog.pfx b/Chapter_10/PVR_LinearFog/Fog.pfx
index 8d0aa15..d4aa842 100644
--- a/Chapter_10/PVR_LinearFog/Fog.pfx
+++ b/Chapter_10/PVR_LinearFog/Fog.pfx
@@ -94,7 +94,7 @@ void main( void )
 	UNIFORM 	u_matViewProjection	WORLDVIEWPROJECTION
 	UNIFORM		u_matView			WORLDVIEW
 	
-	UNIFORM		u_fogColor			FOGCOLOR	vec3(0.0, 0.0, 0.0)
+	UNIFORM		u_fogColor			FOGCOLOR	vec4(1.0,1.0,1.0,1.0)
 	UNIFORM		u_fogMaxDist		FOGMAXDIST	float(320.0)
 	UNIFORM		u_fogMinDist		FOGMINDIST	float(280.0)
 
diff --git a/Chapter_10/PVR_LinearFog/Fog.pod b/Chapter_10/PVR_LinearFog/Fog.pod
index 116280f..1052656 100644
Binary files a/Chapter_10/PVR_LinearFog/Fog.pod and b/Chapter_10/PVR_LinearFog/Fog.pod differ