Jennifer - Standard Mando tuning is same as violin , so a book of Fiddle Tunes would be OK . And the Chords are same as bottom four strings of guitar but upside down - G D A E instead of E A D G .
I am also Multi Inst , but cursed with a very good ear and total idleness , so I don't really read music . I hope you get as much fun out of your Mamdo as I do !