Hal Hellman
Hal Hellman's books
3.58 avg rating — 274 ratings
3.53 avg rating — 72 ratings
3.72 avg rating — 47 ratings
3.33 avg rating — 9 ratings
4.17 avg rating — 6 ratings
2.50 avg rating — 2 ratings
2.50 avg rating — 2 ratings
really liked it 4.00 avg rating — 1 rating
really liked it 4.00 avg rating — 1 rating
liked it 3.00 avg rating — 1 rating