Add to cart Akka Ballenger Constantin – The Efalon $75.00 inc GST Akka Ballenger Constantin The Efalon Monoprint, mixed media and collage unique state accordian book Size: closed – 27 x 7.5 x 3 cm What is an Efalon? Where does it live and does it have any friends? Most importantly, what does it look like? This unique book illustrates a children song composed by Harvey Ellis Welsh. The Efalon does indeed have many friends – this is the first in a series of animal songbook for children of all ages.