National Library Board lookup bookmarlet

You come across a book on Amazon (or any other online book stores as long as they have this ISDN in the URL) and with this, you can directly check the book’s availability and status in the library. This is definitely very useful if you’re an avid reader and you’re a miser. )

Go check it out. Every Little Wonder also has this NLB-Lookup-For-Dummies, a step-by-step instruction to start using this bookmarklet.