- AudiobookGardeningMaria Garrets
- AudiobookHorticultureMaria Garrets
- AudiobookDatabasesJonathan Rigdon
- AudiobookData and DatabasesJonathan Rigdon
- AudiobookGreenhouseMaria Garrets
- AudiobookOperating SystemsJonathan Rigdon
- AudiobookAeronautical ManagementPhil Gilberts
- AudiobookProgrammingJonathan Rigdon
- AudiobookCivil EngineeringPhil Gilberts
- AudiobookBiomedical EngineeringPhil Gilberts
- AudiobookWeb DevelopmentJonathan Rigdon
- AudiobookElectrical EngineeringPhil Gilberts
- AudiobookAerospace EngineeringPhil Gilberts
- AudiobookIrrigation SystemsMaria Garrets
- AudiobookEnvironmental EngineeringPhil Gilberts
- AudiobookChemical EngineeringPhil Gilberts
- AudiobookComputer SkillsJonathan Rigdon
- AudiobookComputer ScienceJonathan Rigdon
- AudiobookData EngineeringPhil Gilberts
- AudiobookConstructionPhil Gilberts
- AudiobookCyber SecurityJonathan Rigdon
- AudiobookAssembly LanguageJonathan Rigdon
- AudiobookComputer ScienceJonathan Rigdon
- AudiobookWebsite DevelopmentJonathan Rigdon
- AudiobookInformaticsPhil Gilberts
- AudiobookIndustrial DesignsPhil Gilberts