Yes Noughts and Crosses is the first book.
There are four books. Noughts and Crosses, Knife Edge, Checkmate and Double Cross.
No it is not.
Knife Edge, then Checkmate, then Double cross ;) xxx
Americans typically refer to the game noughts and crosses as "Tic-tac-toe."
Yes it is.
Pangaea.
The cast of Noughts and Crosses - 1957 includes: Geoff Raymond as Himself - Host (1957-1960)
A style consisting of noughts and crosses, where the spaces of the familiar 9-square board suggest the life affirming intracellular milieu of life....
Malorie Blackman
Noughts and crosses
No Sephy is black.