, ▁K CL S ▁was ▁the ▁bus iest ▁library ▁in ▁the ▁United ▁States ▁as ▁of ▁ 2 0 1 0 , ▁circul ating ▁ 2 2 . 4 ▁million ▁items . ▁ ▁It ▁consists ▁of ▁ 5 0 ▁libraries , ▁a ▁Tra vel ing ▁Library ▁Center , ▁a ▁mobile ▁Te ch Lab , ▁and ▁the ▁ABC ▁Express ▁children ’ s ▁library ▁van . ▁K CL S ▁offers ▁a ▁collection ▁of ▁more ▁than ▁ 4 . 1 ▁million ▁items , ▁including ▁books , ▁period ical s , ▁newsp apers , ▁audio ▁and ▁vide ot apes , ▁films , ▁CD s , ▁DVD s ▁and ▁extensive ▁online ▁resources . ▁All ▁K CL S ▁libraries ▁offer ▁free ▁Wi - Fi ▁connections . ▁People ▁can ▁check ▁out ▁ 1 0 0 ▁items ▁and ▁hold ▁up ▁to ▁ 5 0 ▁items . ▁ ▁History ▁The ▁library ▁system ▁began ▁in ▁ 1 9 4 2 ▁when ▁vot ers ▁in ▁King ▁County ▁established ▁the ▁King ▁County ▁R ural ▁Library ▁District ▁in ▁order ▁to ▁provide ▁library ▁services ▁to ▁people ▁in ▁" r ural " ▁areas ▁with ▁no ▁easy ▁access ▁to ▁city ▁libraries . ▁Fund ing ▁for ▁the ▁library ▁system ▁is ▁provided ▁from ▁property ▁tax es . ▁Fund ing ▁measures ▁for ▁the ▁system ▁passed ▁in ▁ 1 9 6 6 , ▁ 1 9 7 7 , ▁ 1 9 8 0 , ▁ 1 9 8 8 , ▁ 2 0 0 2 , ▁ 2 0 0 4 , ▁and ▁ 2 0 1 0 . ▁Property ▁tax es ▁account