Artful Doodlers Ltd.

Shhhh! It's the man with the yellow hat's birthday. Curious George wants to surprise him-but not without a lot of laughs along the way! Join Curious George on a fun adventure as he heads out to choose the perfect present for the man on his birthday. With speech bubbles, repetitions, and easy-to-read words, this format offers an accessible and fun reading experience for young readers beginning their own reading journey. --from Amazon.

Ms. Frizzle takes the class on a camping trip, but Arnold is worried about monsters, and sets out to create a "Monster Scaring Perimeter" powered by a generator to keep the lights on--and in the process the class learns about sources of clean energy (and maybe monsters).