I’m reading the poetry of A.A. Milne from a large hardback edition of Winnie the Pooh: The Complete Collection of Stories & Poems ( illustrated by E.H. Shepard) to my youngest. She loves his poems & I love reading them. We have many favourites but Teddy Bear would probably be at the top of her list. You can find a copy here.
Forgiven (Alexander Beetle) was put to music years ago and recorded by Melanie Safka.
The BBC Radio Collection has The House at Pooh Corner & other stories from Winnie the Pooh delightfully narrated by Alan Bennett. We listened to hours of these on a trip interstate a couple of years ago & even the older kids thought they were funny (well the first time around anyway).
The Red House Mystery, published in 1922, was A.A. Milne’s only mystery novel. It has been published by BJU Press but a free version is here: http://www.gutenberg.org/ebooks/1872. Suitable for around age 12 & up.