Exam Study Materials
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Examination -
Product Tier 
Product Tier
IOS offers three product tiers for study materials: Elite, Enhanced, and Standard. The Elite and Enhanced tiers offer the most study material at a discounted price. These tiers are ideal for candidates who desire the greatest amount of practice.
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Product Format
Product Format
There are two product formats available. Online products are accessible online and do not require shipping, whereas hard copy products are shipped directly to your address via the shipping method of your choice.
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Showing all 84 results
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ARCO Police Officer, 16th Edition – Hard Copy
$16.95 -
ARCO’s Master the Public Safety Dispatcher/911 Operator Exam – Hard Copy
$20.95 -
Chicago Police Officer (CPOE) Interactive Online Practice Test – Form A
$17.50 -
Chicago Police Officer (CPOE) Interactive Online Practice Test – Form B
$17.50 -
CJBAT Elite Study Package for Correctional Officers – Online
$42.39 -
CJBAT Elite Study Package for Law Enforcement Officers – Online
$42.39 -
CJBAT Enhanced Study Guide – Online
$20.99 -
CJBAT Enhanced Study Guide – Hard Copy (PUD)
$20.99 -
CJBAT Practice Test for Correctional Officers – Form 1 – Online
$13.00 -
CJBAT Practice Test for Correctional Officers – Form 2 – Online
$13.00 -
CJBAT Practice Test for Correctional Officers – Form 3 – Online
$13.00 -
CJBAT Practice Test for Law Enforcement Officers – Form 1 – Online
$13.00 -
CJBAT Practice Test for Law Enforcement Officers – Form 2 – Online
$13.00 -
CJBAT Practice Test for Law Enforcement Officers – Form 3 – Online
$13.00 -
CJBAT Standard Study Guide – Online
$9.99 -
CJBAT Standard Study Guide – Hard Copy (PUD)
$9.99 -
Cook County Sheriff Correctional Officer Study Guide – Online
$9.99 -
CT-FST Elite Study Package – Online
$30.00 -
CT-FST Practice Test – Online
$13.00 -
CT-FST Study Guide – Online
$22.99 -
CWH NGFF Study Guide – Online
$9.99 -
CWH NGLE v2 Study Guide – Online
$9.99 -
CWH SS LE Study Guide – Online
$9.99 -
CWH SSFF Study Guide – Online
$9.99 -
DST Study Guide – Online
$22.99 -
FST Elite Study Package – Online
$52.99 -
FST Enhanced Study Package – Online
$37.99 -
FST Interactive Online Practice Test – Form A
$17.50 -
FST Interactive Online Practice Test – Form B
$17.50 -
FST Practice Test – Form A – Online
$13.00 -
FST Practice Test – Form B – Online
$13.00 -
FST Practice Test – Form C – Online
$13.00 -
FST Study Guide – Online
$22.99 -
Guardian Selection Inventory Enhanced Study Guide – Hard Copy (PUD)
$24.99 -
Guardian Selection Inventory Enhanced Study Guide – Online
$24.99 -
Guardian Selection Inventory Practice Test – Form 1 – Online
$16.00 -
Guardian Selection Inventory Practice Test – Form 2 – Online
$16.00 -
Guardian Selection Inventory Practice Test – Form 3 – Online
$16.00 -
Guardian Selection Inventory Standard Study Guide – Hard Copy (PUD)
$9.99 -
Guardian Selection Inventory Standard Study Guide – Online
$9.99 -
LST Elite Study Package – Online
$52.99 -
LST Enhanced Study Package – Online
$37.99 -
LST Interactive Online Practice Test – Form A
$17.50 -
LST Interactive Online Practice Test – Form B
$17.50 -
LST Practice Test – Form A – Online
$13.00 -
LST Practice Test – Form B – Online
$13.00 -
LST Practice Test – Form C – Online
$13.00 -
LST Study Guide – Hard Copy
$22.99 -
LST Study Guide – Online
$22.99 -
Lubbock, TX PD – NCJOSI^2 v2.0 Standard Study Guide – Online
$9.99 -
MD, Montgomery County Fire and Rescue Services – Firefighter Entry-Level Study Guide 2024 – Online
$9.99 -
MD, Montgomery County Fire and Rescue Services – Firefighter Entry-Level Study Guide 2025 – Online
$4.00 -
Milwaukee NFSI Study Guide – Online
$9.99 -
Montgomery County – Entry-Level Firefighter 2020 Study Guide – Online
$9.99 -
NCJOSI Standard Study Guide – Online
$9.99 -
NCJOSI2 Elite Study Package – Online
$39.99 -
NCJOSI2 Enhanced Study Guide – Online
$24.99 -
NCJOSI2 Interactive Online Practice Test
$17.50 -
NCJOSI2 Standard Study Guide – Hard Copy
$9.99 -
NCJOSI2 Standard Study Guide – Online
$9.99 -
NCOSI Standard Study Guide – Hard Copy
$9.99 -
NCOSI Standard Study Guide – Online
$9.99 -
NCOSI v2 Standard Edition (2023) Study Guide – Hard Copy
$9.99 -
NCOSI v2 Standard Edition (2023) Study Guide – Online
$9.99 -
New Jersey Law Enforcement Examination (LEE) Interactive Online Practice Test
$17.50 -
NFSI Elite Study Package – Online
$39.99 -
NFSI Enhanced Study Guide – Hard Copy
$24.99 -
NFSI Enhanced Study Guide – Online
$24.99 -
NFSI Interactive Online Practice Test
$17.50 -
NFSI Practice Test – Online
$17.50 -
NFSI Standard Study Guide – Hard Copy
$9.99 -
NFSI Standard Study Guide – Online
$9.99 -
NFSI Standard Study Guide for Miami, FL – Online
$9.99 -
NFSI Standard Study Guide for Pittsburgh, PA – Online
$9.99 -
NY, Buffalo Police Department – Entry-Level Exam Candidate Study Guide 2023 – Online
$0.00 -
OH-SELECT Elite Study Package – Online
$39.99 -
OH-SELECT Enhanced Study Guide – Online
$24.99 -
OH-SELECT Interactive Online Practice Test
$17.50 -
OH-SELECT Standard Study Guide – Hard Copy (PUD)
$9.99 -
OH-SELECT Standard Study Guide – Online
$9.99 -
Peterson’s Master the Firefighter Exam, 17th Edition – Hard Copy
$20.95 -
Peterson’s Master the Police Officer Exam – 19th Edition – Hard Copy
$18.95 -
TXBAT Study Guide – Online
$24.99 -
VA, Loudoun County Fire Department – Entry-Level Firefighter 2024 Study Guide – Online
$9.99
