Highlight the white text inside the block for hints ranging from vague to specific...
Colleen makes a point to state that she doubts she has all the information to process the markings on the urn yet. This puzzle requires information that would not have been available to the children at this point in their story.
The information available to you that is not available to the children is the ending of the story.
The specific pages you will need are the two letters in the book that appear at the end of the story after the children have escaped.
Each line resolves to the addressed subject(s) of the letters and the closing of the letters alternating between the two.
Line 1: MY (D)EAR OFF(S)PRING
Line 2: COLLEEN AND (S)AM(U)EL Q(U)AICE
Line 3: L(O)VINGL(Y)
Line 4: THE (G)ATEKEE(P)ER
Line 5: MO(T)HE(R)
Read letters in A->K order to get the answer STUDY GROUPS