Joy in the Morning, chapter 12, the sitting-room, afternoon
Boko pretends his lunch with Uncle Percy was a success, then announces his plan for Bertie to break the Hall's scullery window so he can foil the 'burglar', and Bertie, flattered by Nobby, reluctantly agrees.
The text is on its way.
Aside, some time before Boko tells how Edwin mended his egg boiler and the egg flew out and hit him on the nose.
Aside, years before Nobby explains that Uncle Percy ran with a rackety set of writers as a young man, her father among them.
Aside, Nobby's childhood Nobby recalls Bertie once giving her threepennyworth of acid drops.