Burly and Grum and the Secret City (A Burly and Grum Tale) Burlington Bear, Grum the groblin and Max are best friends. Burly and Grum show Max a secret city in the middle of the forest but hunters are tracking them down. They knock out Burly, capture Max and want to turn the Secret City into a tourist attraction. Throw in some big cats, Grum’s mother and brothers, Mike