11 1 50 Wendy Heydorn Primary Author mixed material 9781108865982 cover_theory_of_knowledge.jpg Biology Course Companion Andrew Allott Primary Author David Mindorff Primary Author mixed material 9781382016339 Oxford University Press 2023 cover_oxfords_resources_for_ib_diploma_programme_2023_edition_biology_course_companion.jpg Michael Haese Primary Author Mark Humphries Primary Author Chris Sangwin Primary Author Ngoc Vo Primary Author mixed material 9781925489576 Australia Haese Mathematics 2019 cover_mathematics_applications_and_interpretations_sl_2.jpg Michael Haese Primary Author Mark Humphries Primary Author Chris Sangwin Primary Author Ngoc Vo Primary Author mixed material 9781925489606 Australia Haese Mathematics 2021 cover_mathematics_applications_and_interpretation_hl_2.jpg Michael Haese Primary Author Mark Humphries Primary Author Chris Sangwin Primary Author Ngoc Vo Primary Author mixed material 9781925489583 Australia Haese Mathematics 2021 cover_mathematics_core_topics_hl_1.jpg Kostas Dimitriou Primary Author Markos Hatzitaskos Primary Author mixed material 9781471552335 Express Publishing 2016 cover_advanced_computer_science_for_the_ib_diploma_program_high_level_.jpg Peter Stimpson Primary Author Alex Smith Primary Author mixed material 9781107464377 Cambridge University Press 2015 cover_business_management_for_the_ib_diploma_second_edition_.jpg John Cannings Primary Author mixed material 9781107560345 cover_creativity_activity_service_cas_for_the_ib_diploma.jpg Michael Haese Primary Author Mark Humphries Primary Author Chris Sangwin Primary Author Ngoc Vo Primary Author mixed material 9781925489552 Australia Haese Mathematics 2019 cover_mathematics_core_topics_sl_1_for_use_with_ib_diploma_programme_.jpg Keely Rogers Primary Author Jo Thomas Primary Author mixed material 9780435183158 London Pearson Education Limited 2017 cover_european_states_in_the_inter_war_years_1918_1939_.jpg Kostas Dimitriou Primary Author Markos Hatzitaskos Primary Author mixed material 9781471542091 Newbury Express Publishing 2021 cover_core_computer_science_for_the_ib_diploma_program.jpg