By Isaacson, Walter
By Pickover, Clifford A.
By Coyle, Daniel, Hamilton, Tyler
By Scaife, W.G.S
By Medawar, P. B.
By Woodmansee, Laura
By Rasheed, Leila
By Pendle, George
By Ogilvie
By Thomas, J.M
By Jackson, Libby
By William A Wilson
By Brian Clegg
By Patterson, James, Friedman, Hal
By Woodham-Smith, Cecil
By Miles Kelly Publishing Ltd, John Farndon
By Ann Fullick, Bob McDuell, Fullick, Ann, McDuell, Bob
By Sharratt, Emily
By MONTSERRAT RIBALTA, Joan
By Durrell, Gerald
By Bernstein, Jeremy
By Manheimer, Eric
By Ellis, Shaun
By Bostock, L, Chandler, F S, L Bostock, F S Chandler
By Cooke, Andy, Martin, Jean
By Purves, William K., Sadava, David E., Orians, Gordon H., Heller, H.Craig
By Time for Kids, Iasevoli, Brenda
By Hanrahan, Val, Secker, Peter, Berry, Catherine, Porkess, Roger, Val Hanrahan, Peter Secker, Catherine Berry, Roger Porkess
By Overbye, Dennis