00524nam a2200193Ia 450000500170000000800410001724500890005810000200014726000340016730000230020130000110022449000170023502000180025205000130027054600120028333600090029533700150030433800110031920260803094014.0251212s2007 xx 000 0 und d1 aI wonder why zips have teeth and other questions about inventions /cBarbara Taylor. aTaylor, Barbara aDanbury,CT :bGrolier,c2007. a32 p. : col. ill.: c29 cm. aI wonder why a0-7534-0525-3 a608 T21z aEnglish aText aUnmediated aVolume