The Honourable Schoolboy (1977)

We need a TV adaptation of this, urgently!!!

en.wikipedia.org/wiki/The_Honourable_Schoolboy#Adaptations mentions:

Jonathan Powell, producer of Tinker, Tailor, Soldier, Spy (1979), said the BBC considered producing The Honourable Schoolboy but a production in South East Asia was considered prohibitively expensive and therefore the BBC instead adapted the third novel of the Karla Trilogy, Smiley's People (1979)