This character’s secrecy and strange behavior make others suspect him, even though his actions are more complicated than they seem.
Tommy
This famous architect designed the Robie House, making it central to the mystery.
Frank Lloyd Wright
Calder carries and constantly uses these geometric shapes to think through problems.
Pentominoes
This thinking skill is Calder’s greatest strength when solving the mystery.
Logical reasoning
In mythology referenced in the story, this type of fish transforms into a powerful dragon.
A carp (or koi)
This character relies on a physical puzzle tool to make sense of chaos and uncover patterns in the mystery.
Calder
This design style of the Robie House emphasizes horizontal lines and connection to the land.
Prairie style
Petra’s name itself hints at this idea, which connects to her abilities.
Stone (or rock/solid foundation)
Petra relies on this type of thinking, which is less structured but equally important. It starts with the letter "i"
Intuition
The carp’s transformation into a dragon symbolizes this kind of change.
Transformation (or growth/perseverance)
This character’s insights seem almost supernatural, helping connect clues others overlook.
Petra
The house feels alive because of this repeated mysterious occurrence.
Objects moving or being rearranged
The mystery becomes more intense when these begin happening more frequently.
Strange disturbances/events in the house
Solving the mystery requires combining logic with this group skill. It starts with the letter "C" or "T"
Collaboration (or teamwork)
This challenge must be overcome for the carp to become a dragon in the legend.
Swimming upstream (or leaping a waterfall/Dragon Gate)
This adult character pushes students to think deeply rather than handing them answers.
Ms.Hussey
This feature of the house makes it ideal for hiding clues and creating mystery.
Hidden spaces/unique layout
This feeling grows among the characters as the mystery deepens and trust is tested. It starts with an "s"
Suspicion
The characters begin solving the mystery when they start focusing on this key concept. It begins with letter "P".
Patterns
Tommy is symbolically connected to the carp because he is experiencing this.
A struggle or personal transformation
This unseen “force” seems responsible for moving objects and creating tension throughout the story.
The Robie House (or the house itself)
The house’s design reflects this big idea, which also helps the characters solve the mystery.
Patterns (or structure/order)
This unexpected element makes the mystery feel almost supernatural, even though it has logical explanations.
Unexplained movements or patterns
This skill helps the characters interpret clues that are not immediately obvious. It starts with the letter "C".
Critical thinking
The fish represents Tommy before he fully becomes this stronger version of himself.
The dragon