They're running a sale right now, through June 30, but it doesn't look like G of G is eligible: https://link.springer.com/shop/springer/yellow-sale/en-eu/ https

They're running a sale right now, through June 30, but it doesn't look like G of G is eligible: https://link.springer.com/shop/springer/yellow-sale/en-eu/ https://link.springer.com/shop/springer/yellow-sale/en-eu/