I've been tutoring Euclid to a Gr. 6 student. I gave him both the Heath and Byrne editions to work from but he has a much easier time with the Byrne, primarily

I've been tutoring Euclid to a Gr. 6 student. I gave him both the Heath and Byrne editions to work from but he has a much easier time with the Byrne, primarily because the proofs appear much shorter. The coloured pictures strip out an entire layer of pointer dereferencing.