Highly accurate book jacket mock up of QUANTUM MECHANICS as seen in THE DAY OF THE DOCTOR. please note the book itself is not Quantum Mechanics but a classic Doctor Who book with the recreated outer jacket size 6cm w x 24cm h x 4cm d the jacket has been professionally printed on high gloss art paper Recorded P&P for UK £5, international postage, (due to size and weight is £20 Please allow 14 days for delivery after payment uk international 21 days