mPages[index].actor.SetOrientation( Degree( degree ), Vector3::YAXIS );
mPages[index].actor.SetVisible( false );
mPages[index].UseEffect( mSpineEffectShader, mGeometry );
mPages[index].actor.SetOrientation( Degree( degree ), Vector3::YAXIS );
mPages[index].actor.SetVisible( false );
mPages[index].UseEffect( mSpineEffectShader, mGeometry );