T.J. and Blake have started their new business?Treasure Finders. Their first client, Mildred Russell, contacts them after seeing their poster at the local grocery store. Mildred has guarded a letter from Private Bernie Winslow dated 1951. The letter tells Mildred that he hid something of great value specifically for her in the event of his death. But the letter includes a code and only Mildred has the key to crack the code. Follow the adventures of T.J. and Blake as they crack the code and unearth the treasure hidden for over fifty years. Will they find it before the insidious Matthew who is driven by his love of money? ? What is the key to cracking the code in Bernie?s letter? ? Where can the treasure be found so many years later? ? What did Bernie hide for Mildred and her alone? Find out in T.J. and Blake?s first big adventure, The Big Tip.