The first in the Nerdy Nanny Productions Nordic Language Series. Created for Finnish American children and those of Finnish American descent.Sisu is one of those indefinable words which defied simple translation. It is also an intrinsic part of Finnish culture. Implying strength, courage, fortitude, modesty and so much more, Sisu can be hard to explain to children growing up outside of Finland. Luckily, we've explained it for you...