Kelly, David A. (David Andrew), 1964- Ballpark mysteries #4

Stepping Stone book.

While visiting Houston, Texas, Mike and Kate tour the Johnson Space Center with an astronaut in the morning and at the Houston Astros' ball game that evening, the cousins search for the person who steals the astronaut's moonrock when he arrives at the stadium to sign autographs

006-009

RL: 2.6

540L

Decoding demand: 76 (high) Semantic demand: 97 (very high) Syntactic demand: 78 (high) Structure demand: 87 (very high)