Soil Chemistry Guide: Nutrient Reactions and Plant Uptake

Original price was: 179.00 $.Current price is: 139.00 $.

A professionally structured knowledge base module (KBM) that converts soil chemistry into a searchable, practical reference — from ion reactions in the rhizosphere to quantitative plant uptake models — ideal for students, researchers and field professionals who need fast, reliable answers.

Soil Microbiology Guide: Understanding Microbes in Fertility

Original price was: 179.00 $.Current price is: 139.00 $.

A structured, searchable Knowledge Base Module (KBM) that converts soil microbiology into a practical, hierarchical reference — ideal for students, researchers, and professionals who need fast, reliable access to how soil microorganisms drive fertility and nutrient cycling.

Soil Physics Guide to Water Movement and Plant Growth

Original price was: 179.00 $.Current price is: 139.00 $.

A compact, hierarchical Knowledge Base Module (KBM) that turns soil physics into a searchable, usable digital reference — ideal for students, researchers and professionals who need fast access to reliable explanations of water and air movement, pore-scale processes, and their effects on plant growth.

Soil Science Guide to Composition and Fertility Management

Original price was: 179.00 $.Current price is: 139.00 $.

A compact, structured Knowledge Base Module (KBM) that converts core Soil Science — composition, physical & chemical properties, and fertility management — into a hierarchical, searchable digital reference for students, researchers and professionals.

Solar Energy Conversion Guide for Electricity and Heat

Original price was: 179.00 $.Current price is: 139.00 $.

A structured, searchable KBM (Knowledge Base Module) that explains solar energy fundamentals and practical design workflows for photovoltaic and solar thermal systems — optimized for students, researchers, and professionals who need fast access to reliable, reusable knowledge.

Space AI Navigation and Data Analysis Guide

Original price was: 199.00 $.Current price is: 159.00 $.

A structured, searchable Knowledge Base Module (KBM) that turns Space AI concepts—navigation algorithms, onboard intelligence, and large-scale space-data analysis—into a step-by-step, production-ready reference for students, researchers, and professionals.

Space Communications Guide for Spacecraft and Ground Stations

Original price was: 179.00 $.Current price is: 139.00 $.

A structured, searchable knowledge base module (KBM) that converts core theory and engineering practice of space communications into an instantly usable reference — from link budgets and modulation to ground network operations and interoperability.

Space Data Analytics Guide for Satellite Data Processing

Original price was: 349.00 $.Current price is: 279.00 $.

A hierarchical, searchable Knowledge Base Module (KBM) that converts satellite and observatory data processing best practices into a ready-to-use, structured database for students, researchers, and professionals who need fast, reliable access to procedures, code snippets, file schemas, and validation checklists.

Space Economy Guide: Understanding Commercial Space Ventures

Original price was: 179.00 $.Current price is: 139.00 $.

A compact, structured KBM (Knowledge Base Module) that maps the space economy — satellites, launch services, and private flights — into searchable, hierarchical entries so students, researchers and professionals can find reliable, actionable knowledge quickly.

Space Engineering Guide for Spacecraft and Satellite Design

Original price was: 199.00 $.Current price is: 159.00 $.

A structured, searchable knowledge base for Space Engineering — from fundamentals of spacecraft and satellite design to practical launch systems engineering. Built as a Knowledge Base Module (KBM) to accelerate learning, design work, and research workflows for students, researchers, and professionals.

Space Exploration Guide: Human Spaceflight and Planetary Missions

Original price was: 139.00 $.Current price is: 99.00 $.

A compact, searchable Knowledge Base Module (KBM) that converts Space Exploration knowledge into a practical, hierarchical reference: comprehensive coverage of human spaceflight, crewed missions, and planetary exploration — optimized for study, research, and operational briefing.

Space Geography: Guide to Planetary Surface Topography

Original price was: 179.00 $.Current price is: 139.00 $.

A structured, searchable Knowledge Base Module (KBM) that converts planetary surface topography and terrain studies into a hierarchical, ready-to-use digital reference — designed for students, researchers, and professionals who need fast, reliable access to planetary geography facts, maps, and analytical methods.