Yes it is.
No it is not.
Yes Noughts and Crosses is the first book.
1st Noughts and Crosses 2nd Knife Edge 3rd Checkmate 4th Double cross
There are four books. Noughts and Crosses, Knife Edge, Checkmate and Double Cross.
Knife Edge, then Checkmate, then Double cross ;) xxx
Americans typically refer to the game noughts and crosses as "Tic-tac-toe."
Pangaea.
Lucy Blackman
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....
No Sephy is black.
Malorie Blackman