Spiral bound lab accident recording device

Whether creating to do lists - that I always forget about. Mocking up some logic before beginning to code, I mean no one REALLY does this right? Sketching something cool - which never looks as good on paper as it does in my head. Or even recording my experiment details - how else will I know which part of what I did caused my new freakish mutations. I always have space for at least one more notebook. • Covers with soft-touch coating • Cover weight: 10.38 oz/yd² (352 g/m²) • Page weight: 2.62 oz/yd² (89 g/m²) • Metal wire-o binding • 140 dotted pages • Size: 5.25″ × 8.25″ (13 × 21 cm) • Blank product sourced from the US