Tell Me When 12 Books Collection (When Does A Flame Turn Blue?, Does a computer sleep? & More)

Introduction 

This collection of 12 books is ready to answer the questions of young, inquisitive minds! The Tell Me When? series is a curation that seeks to answer the When of a wide range if subjects through simple explanations. A sure shot way of making kids learn about new things while indulging their curiosities about the world!

Titles in this Set:

WHEN Does a flame turn blue?
WHEN Does a Computer Sleep?
WHEN Do Frogs Blink 
WHEN Did Dinosaurs rule the Earth 
WHEN Are Germs Good for me
WHEN Do Bees Dance?
WHEN Was the Selfie Stick Invented
WHEN Was the Sun Born 
WHEN Was the first Robot made 
WHEN Does an Albatross Come Ashore ?
WHEN Does the Eucalyptus Shed its Bark
WHEN Does the Internet face traffic