Gedanken's eccentric uncle sends her into outer space in a spacecraft to help him conduct a series of experiments regarding the law of relativity as it affects

Book Two in an action-packed adventure series - which also explores the three great physics theories of Albert Einstein!

This is the final volume in the trilogy for young readers investigating the three great physics explorations of Albert Einstein. Uncle Albert's niece Gedanken d

'Where is the centre of the universe?' 'Why is water wet?' 'What are atoms made of?' 'Will the sun ever blow up?' Fresh from Uncle Albert's postbag here are 100

This book examines the historical forces that led to the development of the system of apartheid, what life was like under the system for both blacks and whites,