Snow Leopard is no longer available purchase from Apple's site
13" MacBook Core 2 (Late 2007)
MacBook "Core 2 Duo" 2.0 13" (White-SR) Specs (Late 2007, MB061LL/B, MacBook3,1, A1181, 2200
OS X: Manually migrating data from another Mac
Understanding InstallESD.dmg, Recovery HD, and Lion Internet Recovery