All you have to do is to step over and get down.

Nothing could be simpler.

I'm just aching to explore that garden." Delia, still thinking of her exeat, demurred, and even Irene's valor slightly quailed.
"Oh, come on! Be sports!" tempted Peachy.

"You'll never get such a chance in your lives again--never." So they hesitated, and were lost, and finally followed their leader up the low, sloping roof of the shed.
As Peachy had prophesied, it was really remarkably easy.

They had only to scale quite a low piece of wall, and drop on to the roof of the shed on the other side, then scramble down into Count Sutri's garden.