Products

• Life Science
• Story / Adventure

Why it works: Actual Size places full-size animal structures directly on the page so a child encounters scale with eyes and hands before reading the measurements. The visual comparisons turn anatomy and quantitative size into a guessing-and-checking experience rather than a reference table.

• Engineering & Technology
• Story / Adventure

Why it works: Ada Lace and the Impossible Mission begins with a complex scale model of a historic silver mine and turns saving the project into a technology-driven school heist. Ada and Nina must understand models, constraints, and a security system well enough to plan each move, so engineering decisions propel the suspense.

• Human Body & Health
• Physics & Energy
• Maker / Problem-Solving

Why it works: Ada Lace Sees Red combines Ada's stalled competition robot with an art-class conflict about color and perception. Gears, robot testing, color theory, and color blindness converge in the solution, allowing an engineering problem and a human-vision difference to reshape Ada's relationships as well as her design.

• Engineering & Technology
• Story / Adventure

Why it works: Ada Lace, on the Case gives a third-grade scientist-inventor a dognapping mystery that she pursues with Nina and a growing collection of gadgets. Each device and inference has to produce useful evidence, so technology and disciplined reasoning are part of solving the case rather than decorative character traits.

• Physics & Energy
• Engineering & Technology
• Story / Adventure

Why it works: Ada Lace, Take Me to Your Leader begins with Ada repairing a ham radio while her robot George creates complications. A mysterious transmission that sounds extraterrestrial makes antenna design, signal strength, call signs, and evidence-versus-imagination essential to the mystery.

• General / Multiple Sciences
• Maker / Problem-Solving

Why it works: Ada Twist and the Disappearing Dogs starts with missing pets and a tempting thief theory, but Ada refuses to let the Questioneers jump straight to that conclusion. Hypothesis making, data collection, and experimentation become the detective tools that reveal what actually happened.

• Chemistry & Materials
• Physics & Energy
• Story / Adventure

Why it works: Ada Twist and the Perilous Pants launches Uncle Ned in fictional helium pants and makes getting him safely down an urgent series of questions. The comic rescue depends on reasoning about gases, buoyancy, gravity, and balloon altitude while Ada tests ideas with her friends.